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run code in 300+ PHP versions simultaneously
<?php $strings = array('\s', '\n\t', "abc", 'abc\\\\foo'); foreach ($strings as $str) { $stripped = stripcslashes($str); $rebuilt = addcslashes($stripped, "\\\0\n\t\v\f\a\r\b"); var_dump($str, $str === $rebuilt, $rebuilt); }
Output for 5.6.38, 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 - 8.3.7
string(2) "\s" bool(false) string(1) "s" string(4) "\n\t" bool(true) string(4) "\n\t" string(3) "abc" bool(false) string(5) "\a\bc" string(8) "abc\\foo" bool(false) string(10) "\a\bc\\foo"
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 string(2) "\s" bool(false) string(1) "s" string(4) "\n\t" bool(true) string(4) "\n\t" string(3) "abc" bool(false) string(5) "\a\bc" string(8) "abc\\foo" bool(false) string(10) "\a\bc\\foo"

preferences:
164.2 ms | 402 KiB | 180 Q