3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "\$\x7ffoo = 1; echo \$\x7ffoo;"; echo $str . "\n"; eval($str);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
$foo = 1; echo $foo; Parse error: syntax error, unexpected character 0x7F, expecting variable or "{" or "$" in /in/UOe2C(5) : eval()'d code on line 1
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
$foo = 1; echo $foo; Warning: Unexpected character in input: '' (ASCII=127) state=0 in /in/UOe2C(5) : eval()'d code on line 1 Parse error: syntax error, unexpected 'foo' (T_STRING), expecting variable (T_VARIABLE) or '{' or '$' in /in/UOe2C(5) : eval()'d code on line 1
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
$foo = 1; echo $foo; 1

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114.84 ms | 411 KiB | 5 Q