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run code in 150+ php & hhvm versions
Bugs & Features
<?php function gdr_encode($val) { return base_convert($val, 10, 64); } function gdr_decode($val) { return base_convert($val, 64, 10); } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = json_encode(gdr_encode($val)); $dec = json_encode(gdr_decode($enc)); $val = json_encode($val); if (strlen($enc) > strlen($val)) { echo "$enc $val WORSE\n"; } else if (strlen($enc) == strlen($val)) { echo "$enc $val EQUAL\n"; } else { echo "$enc $val\n"; } }
based on sgvQW
Output for 5.2.0 - 7.1.0
Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 0 WORSE Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 1 WORSE Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 99 WORSE Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 100 WORSE Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 255 WORSE Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 256 WORSE Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 999 WORSE Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 1000 WORSE Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 9999 WORSE Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 10000 EQUAL Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 65535 EQUAL Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 65536 EQUAL Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 99999 EQUAL Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 100000 Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 999999 Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 1000000 Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 4294967295 Warning: base_convert(): Invalid `to base' (64) in /in/hB8m1 on line 4 Warning: base_convert(): Invalid `from base' (64) in /in/hB8m1 on line 8 false 4294967296
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/hB8m1 on line 13
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/hB8m1 on line 13
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/hB8m1 on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/hB8m1 on line 13