3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(array( 'JSON_ERROR_NONE' => JSON_ERROR_NONE, 'JSON_ERROR_DEPTH' => JSON_ERROR_DEPTH, 'JSON_ERROR_STATE_MISMATCH' => JSON_ERROR_STATE_MISMATCH, 'JSON_ERROR_CTRL_CHAR' => JSON_ERROR_CTRL_CHAR, 'JSON_ERROR_SYNTAX' => JSON_ERROR_SYNTAX, 'JSON_ERROR_UTF8' => JSON_ERROR_UTF8, 'JSON_ERROR_RECURSION' => JSON_ERROR_RECURSION, 'JSON_ERROR_INF_OR_NAN' => JSON_ERROR_INF_OR_NAN, 'JSON_ERROR_UNSUPPORTED_TYPE' => JSON_ERROR_UNSUPPORTED_TYPE )); $vTest = array("test"=> ); echo json_encode($vTest);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.6.90.0070.07020.97
5.6.80.0170.06320.52
5.5.250.0200.07020.67
5.5.240.0070.07720.25
5.4.410.0130.05718.85
5.4.400.0170.06718.76
5.4.390.0100.07718.53
5.4.380.0100.06318.71
5.4.370.0130.06018.71
5.4.360.0230.05318.71
5.4.350.0170.05318.72
5.4.340.0230.04718.68
5.4.320.0170.07018.71
5.4.310.0100.06718.62
5.4.300.0200.07318.59
5.4.290.0070.06318.75
5.4.280.0100.05718.55
5.4.270.0230.07318.75
5.4.260.0070.06018.71
5.4.250.0130.06018.61
5.4.240.0100.06018.52
5.4.230.0170.05018.70
5.4.220.0100.07718.54
5.4.210.0100.06018.76
5.4.200.0070.05716.59
5.4.190.0130.06018.66
5.4.180.0100.05718.66
5.4.170.0170.05718.76
5.4.160.0170.05718.75
5.4.150.0170.07318.73
5.4.140.0170.05016.32
5.4.130.0200.06316.40
5.4.120.0130.07016.21
5.4.110.0130.05016.15
5.4.100.0100.07716.26
5.4.90.0200.06716.23
5.4.80.0230.05316.13
5.4.70.0130.06716.30
5.4.60.0100.05716.28
5.4.50.0130.05016.29
5.4.40.0170.06016.27
5.4.30.0200.05316.22
5.4.20.0030.06316.25
5.4.10.0230.04016.17
5.4.00.0100.05015.62
5.3.290.0130.05714.56
5.3.280.0130.05314.64
5.3.270.0200.06714.60
5.3.260.0130.08014.52
5.3.250.0230.05714.58
5.3.240.0030.07014.57
5.3.230.0170.04714.59
5.3.220.0200.07014.54
5.3.210.0100.06314.53
5.3.200.0100.05714.48
5.3.190.0100.06314.57
5.3.180.0030.06714.60
5.3.170.0030.06314.66
5.3.160.0170.05314.54
5.3.150.0200.04714.66
5.3.140.0170.07314.65
5.3.130.0130.08014.45
5.3.120.0200.07014.48
5.3.110.0170.06014.55
5.3.100.0100.07014.02
5.3.90.0270.04013.95
5.3.80.0070.05714.01
5.3.70.0100.05314.09
5.3.60.0070.06014.08
5.3.50.0130.05313.86
5.3.40.0200.06013.93
5.3.30.0130.06013.89
5.3.20.0130.06713.63
5.3.10.0030.07713.75
5.3.00.0130.06013.58
5.2.170.0070.05711.13
5.2.160.0100.04011.18
5.2.150.0100.05711.13
5.2.140.0200.04311.12
5.2.130.0030.04711.02
5.2.120.0130.04011.11
5.2.110.0100.05311.14
5.2.100.0030.04311.04
5.2.90.0100.05011.02
5.2.80.0130.05311.10
5.2.70.0030.04711.05
5.2.60.0130.04711.02
5.2.50.0100.04711.16
5.2.40.0030.04310.95
5.2.30.0030.06710.95
5.2.20.0130.04310.91
5.2.10.0070.04010.88
5.2.00.0130.05710.67
5.1.60.0100.0339.98
5.1.50.0100.03310.00
5.1.40.0000.05310.03
5.1.30.0230.04010.29
5.1.20.0130.04710.41
5.1.10.0170.03010.09
5.1.00.0100.04310.09
5.0.50.0100.0378.64
5.0.40.0100.0378.50
5.0.30.0030.0538.36
5.0.20.0130.0208.32
5.0.10.0130.0308.27
5.0.00.0030.0478.23
4.4.90.0100.0175.92
4.4.80.0070.0275.85
4.4.70.0070.0235.91
4.4.60.0000.0275.85
4.4.50.0070.0205.91
4.4.40.0030.0375.86
4.4.30.0000.0275.95
4.4.20.0030.0235.92
4.4.10.0070.0305.93
4.4.00.0030.0375.89
4.3.110.0030.0305.86
4.3.100.0030.0235.79
4.3.90.0030.0205.83
4.3.80.0030.0335.79
4.3.70.0070.0175.89
4.3.60.0030.0205.82
4.3.50.0030.0235.78
4.3.40.0030.0405.76
4.3.30.0030.0234.57
4.3.20.0000.0274.56
4.3.10.0100.0204.50
4.3.00.0270.01015.65

preferences:
160.38 ms | 1394 KiB | 7 Q