Apache httpd mod_php error: "Allowed memory size of 134217728 bytes exhausted"

Solution Verified - Updated -

Issue

The following error in the httpd error log:

[error] [client 1.2.3.4] PHP Fatal error:  Allowed memory size of 134217728 bytes exhausted (tried to allocate 512 bytes) in /path/to/MyPhp.php on line 107, referer: https://example.com/page

Environment

  • Red Hat Enterprise Linux (RHEL) 7.x, 8.x
    • httpd
    • mod_php

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