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run code in 300+ PHP versions simultaneously
<?php echo preg_replace('/\//', '\\\\', "Using 4 slashes: a / b\n"); echo preg_replace('/\//', '\\\\\\\\', "Using 8 slashes: a / b\n");
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Using 4 slashes: a \ b Using 8 slashes: a \\ b
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 Using 4 slashes: a \ b Using 8 slashes: a \\ b
preferences:
211.92 ms | 402 KiB | 255 Q