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run code in 300+ PHP versions simultaneously
<?php $string = "// blah blah blah\n\nconst filename = \"\";\n\n// blah blah blah"; echo preg_replace('~^(\h*const\s+filename\s*=\s*).+~mi', '$1"NEW VALUE";', $string);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12
// blah blah blah const filename = "NEW VALUE"; // blah blah blah
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 // blah blah blah const filename = "NEW VALUE"; // blah blah blah
preferences:
94.25 ms | 407 KiB | 5 Q