3v4l.org

run code in 300+ PHP versions simultaneously
<?php function kvp ($k, $v) { print "$k = $v;\n"; } $p = ['foo' => 'fooVALUE', 'bar' => 'barVALUE']; array_map(var_dump(...), $p); print "---\n"; array_map(var_dump(...), array_keys($p), array_values($p)); print "---\n"; array_map(kvp(...), array_keys($p), $p);
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.5 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
string(8) "fooVALUE" string(8) "barVALUE" --- string(3) "foo" string(8) "fooVALUE" string(3) "bar" string(8) "barVALUE" --- foo = fooVALUE; bar = barVALUE;
Output for 8.0.1 - 8.0.30
Parse error: syntax error, unexpected token ")" in /in/T4pi6 on line 9
Process exited with code 255.
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