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run code in 300+ PHP versions simultaneously
<?php $strings = [ "test string", "lado lomidze needs a solution", "I made some research and found 'good' answers here; they really helped me." ]; // if not already all lowercase, use strtolower() var_export(preg_replace_callback('/(^|.)\K\w/', function($m) {return strtoupper($m[0]); }, $strings));
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
array ( 0 => 'TeSt StRiNg', 1 => 'LaDo LoMiDzE NeEdS A SoLuTiOn', 2 => 'I MaDe SoMe ReSeArCh AnD FoUnD \'GoOd\' AnSwErS HeRe; ThEy ReAlLy HeLpEd Me.', )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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 array ( 0 => 'TeSt StRiNg', 1 => 'LaDo LoMiDzE NeEdS A SoLuTiOn', 2 => 'I MaDe SoMe ReSeArCh AnD FoUnD \'GoOd\' AnSwErS HeRe; ThEy ReAlLy HeLpEd Me.', )
preferences:
194.32 ms | 410 KiB | 5 Q