PHP

Table of Contents

1. 
   PHP Software Practices and Principles
   
   1. 
      Why Have Code Conventions
      
   2. 
      Spaghetti Code
      
   3. 
      Single entry, Single exit Practice
      
   4. 
      My Update Cycle Recommendations
      
2. 
   PHP Documentor
   
3. 
   PHPUnit
   
4. 
   Debugging
   
5. 
   PHP 7.0 won’t let Apache 2.4 start
   
6. 
   php -v gives warning messages
   
7. 
   Warning – PHP Startup: Unable to load dynamic library ‘/usr/local/opt/php70-ssh2/ssh2.so’
   
8. 
   root@puma-sky interferes with root@{{ DOMAIN_NAME }} when sending emails
   
9. 
   simplexml_load_file() and curl_exec() does not work
   
10. 
    PNG Images are not shown in PDF reports
    
11. 
    PHP Fatal error:  Uncaught Error: Class ‘phpseclib\Common\Functions\Strings’ not found
    
12. 
    Installing PHPExcel with composer
    
13. 
    Installing PHPMailer with composer
    
14. 
    Emails won’t fire from root@puma-sky
    
15. 
    Restarting PHP-FPM
    
16. 
    mysqli_affected_rows() returns -1 but query works (NOT YET FOUND)
    
17. 
    PHP Fatal error:  Allowed memory size of 536,870,912 bytes exhausted
    
18. 
    Error: No available formula with the name “php70-tidy”
    
19. 
    Images are not showing in PDF documents in {{ HOST_NAME }}
    
20. 
    PNG Images are not shown in PDF reports
    
21. 
    PHP Fatal error:  Uncaught Error: Call to undefined function PHPMailer\\PHPMailer\\filter_var()
    
22. 
    phpDocumentor.ALERT: Fatal Error
    
23. 
    PHP Fatal error: Call to undefined function http_redirect()
    
24. 
    Installing Secure Shell for PHP
    
25. 
    Installing Subversion for PHP
    
26. 
    Warning: PHP Startup: mcrypt: Unable to initialize Module
    
27. 
    PHP won’t load because dyld: Library not leaded: /usr/local/lib/libpng16.16.dylib
    
28. 
    Insite CMS – PHP Warning:  Cannot modify header information
    
29. 
    PHP Warning:  mysqli::__construct(): MySQL server has gone away
    
30. 
    How to explicitly output contents of the PHP buffer
    
31. 
    Dynamic Variables
    
32. 
    Installing Node.js breaks down PHP 7.0
    
33. 
    Apache NetBeans 9.0 truncates debug string variables
    
34. 
    mPDF error: IMAGE Error
    
35. 
    SSL routines:ssl3_get_server_certificate:certificate verify failed
    
36. 
    PHP OPcode Caching
    
37. 
    PHP Deprecated:  Methods with the same name as their class will not be constructors in a future version of PHP
    
38. 
    PHP Fatal error:  Cannot redeclare start()
    
39. 
    PHP Warning:  copy(http://getcomposer.org/installer): failed to open stream: php_network_getaddresses: getaddrinfo failed
    
40. 
    LAMP stack got screwed by brew upgrade
    
41. 
    PHP does not get executed on web page; PHP code is displayed instead
    
42. 
    Xdebug on PHP 7.2 does not work anymore.
    
43. 
    Symbolic Links do not work
    
44. 
    Unable to write to error_log
    
45. 
    PHP Fatal error:  Class ‘SelectQueryExtender’ not found in /var/www/html/public/includes/pager.inc on line 15
    
46. 
    No check has been registered for access_check.permission
    
47. 
    No connection from xdebug was detected
    
48. 
    dyld: Library not loaded
    
49. 
    Unable to use Xdebug in NetBeans
    
50. 
    PHP Deprecated:  __autoload() is deprecated, use spl_autoload_register() instead
    
51. 
    Smarty: unable to write file
    
52. 
    Installing extensions
    
    1. 
       a.       xdebug
       
    2. 
       b.      amqp
       
    3. 
       c.       redis
       
    4. 
       d.      imagick
       
    5. 
       e.       uploadprogress
       
    6. 
       f.         apcu
       
    7. 
       g.       libsodium
       
    8. 
       h.      sqlsrv / pdo_sqlsrv
       
53. 
    SQL Error:
    
54. 
    PHP 7.4
    
    1. 
       Issues with phpexcel
       
    2. 
       Issues with https://schoolvisits.puma
       
    3. 
       Issues with http://15.222.244.86/info.php
       
55. 
    Fatal error: Allowed memory size of 1610612736 bytes exhausted
    
56. 
    SOAP-ERROR: Parsing WSDL
    
57. 
    php_network_getaddresses: gethostbyname failed
    
58. 
    PHP 8.0
    
    1. 
       MacOS Upgrade
       
       1. 
          Switching PHP on Apache
          
       2. 
          Switching PHP on .zshrc
          
       3. 
          Switching to PHP 7.4
          
       4. 
          Switching to PHP 8.0
          
       5. 
          Switching Final Steps
          
    2. 
       CentOS Upgrade
       
    3. 
       Debian Upgrade
       
59. 
    PHP 7.4 – XDebug
    
60. 
    WARNING: PHP is not recommended
    
61. 
    SoapClient::__doRequest(): connect() failed: php_network_getaddresses: getaddrinfo failed:
    
62. 
    failed to open dir: Too many open files
    
63. 
    OpenSSL Error messages: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
    
64. 
    DomCrawler\Crawler
    
65. 
    /usr/bin/php deleted by mistake
    
66. 
    XDebug not working
    
67. 
    SQL Server
    
    1. 
       Solution for MacOS:
       
68. 
    SQL Error:
    
69. 
    Success Results :
    
    1. 
       Solution for CentOS:
       
    2. 
       Solution for Debian 11:
       
    3. 
       Solution for Debian 10:
       
70. 
    Web forms anomaly
    
71. 
    PHP 8.0 – Formulae found in multiple taps
    
72. 
    PHP 8.0 – No package matching ‘php8.0’ is available
    
73. 
    PHP 8.0 – PECL Install
    
74. 
    Debian 11 – Unable to parse XSD from our BOS ISAPI
    
75. 
    PHP 8.0 – XDebug
    
76. 
    PHP 8.0 – XDebug (2)
    
    1. 
       Problem:
       
    2. 
       Solution for Netbeans:
       
    3. 
       Solution for VSCode:
       
77. 
    PHP 8.0 – WordPress
    
78. 
    PHP 8.0 – PHP Fatal error:  The (unset) cast is no longer supported
    
79. 
    PHP 8.0 – Path cannot be empty in fopen()
    
80. 
    PHP 8.0 – Module “sodium” is already loaded in Unknown on line 0
    
81. 
    PHP 8.0 – PHP Deprecated:  Required parameter follows optional parameter
    
82. 
    PHP 8.0 – mpdf not working
    
    1. 
       MPDF 8.x
       
    2. 
       MPDF 6.x
       
83. 
    PHP 8.0 – phpexcel not working
    
    1. 
       Problem:
       
    2. 
       Solution:
       
    3. 
       Problem 2:
       
    4. 
       Solution 2:
       
    5. 
       Problem 3:
       
    6. 
       Solution 3:
       
    7. 
       Problem 4:
       
    8. 
       Solution 4:
       
    9. 
       Problem 5:
       
    10. 
        Solution 5:
        
    11. 
        Problem 6:
        
    12. 
        Solution 6:
        
    13. 
        Problem 7:
        
    14. 
        Solution 7:
        
    15. 
        Problem 8:
        
    16. 
        Solution 8:
        
84. 
    PHP 8.0 – phpmailer not working
    
85. 
    PHP 8.0 – phpseclib
    
86. 
    PHP 8.0 – Fatal error:  Uncaught Error: Call to undefined function money_format()
    
87. 
    PHP 8.0 – array_key_exists(): Argument #2 ($array) must be of type array, SimpleXMLElement given in array_key_exists()
    
88. 
    PHP 8.0 – Drush is not working
    
    1. 
       On MacOS
       
    2. 
       On Debian
       
    3. 
       On MacOS
       
    4. 
       On Debian
       
89. 
    PHP 8.0 – Drupal is not working
    
    1. 
       Problem – Drupal is not working – fixed
       
    2. 
       Problem 2 – Unable to login – fixed
       
    3. 
       Problem 3 – Unable to reset password
       
    4. 
       Problem 4 – Unable to reset password (2) – fixed
       
    5. 
       Problem 5 – Unable to run crons
       
90. 
    Uninstalling PHP
    
    1. 
       On MacOS
       
    2. 
       On CentOS
       
    3. 
       On Debian
       
91. 
    PHP 8.0 – Fatal error: Array and string offset access syntax with curly braces is no longer supported
    
92. 
    Session Timeouts
    
93. 
    No releases available for package “pecl.php.net/X”
    
94. 
    PHP Warning:  Undefined array key “SERVER_NAME”
    
95. 
    PHP Fatal error:  Uncaught TypeError: ftp_nlist()
    
96. 
    Images are not showing in PDF documents in events.puma (2)
    
97. 
    PHP Fatal error:  Maximum execution time of 30 seconds exceeded
    
98. 
    Error: Your PHP installation appears to be missing the MySQL extension which is required by WordPress
    
99. 
    PHP 8.0
    
100. 
     Fatal error: Maximum execution time of 30+2 seconds exceeded (terminated)
     
101. 
     Installing Composer
     
     1. 
        On MacOS
        
     2. 
        On FreeBSD
        
     3. 
        On CentOS (as victord)
        
     4. 
        On Debian (as puma/victord)
        
102. 
     Updating Composer
     
103. 
     Updating packages installed by Composer
     
     1. 
        On CentOS
        
     2. 
        On MacOS
        
104. 
     Using Composer
     
105. 
     Updating software packages with composer
     
106. 
     Composer is not working.
     
107. 
     PHPExcel is abandoned
     
108. 
     Composer Install vs Composer Update
     
109. 
     Fatal error: Allowed memory size of 1610612736 bytes exhausted
     
110. 
     Update multiple composer recipes at once
     
111. 
     file could not be downloaded: php_network_getaddresses: getaddrinfo failed