3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = debug_backtrace(); /?>

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)
5.6.80.0130.07720.40
5.5.240.0030.07320.18
5.4.400.0170.05318.76
5.4.390.0270.04018.69
5.4.380.0200.04718.72
5.4.370.0230.06718.56
5.4.360.0330.03718.69
5.4.350.0130.06318.77
5.4.340.0130.05718.77
5.4.320.0170.05718.75
5.4.310.0270.04318.74
5.4.300.0170.05318.55
5.4.290.0200.05318.78
5.4.280.0300.03718.71
5.4.270.0130.05318.54
5.4.260.0170.05318.75
5.4.250.0100.06318.71
5.4.240.0100.06718.84
5.4.230.0130.05718.70
5.4.220.0100.05718.70
5.4.210.0100.05718.72
5.4.200.0200.05316.52
5.4.190.0170.05018.78
5.4.180.0230.04718.42
5.4.170.0330.07718.78
5.4.160.0130.07318.66
5.4.150.0100.05718.71
5.4.140.0170.05016.27
5.4.130.0200.05316.26
5.4.120.0070.07016.25
5.4.110.0130.06716.25
5.4.100.0170.06716.14
5.4.90.0200.04716.31
5.4.80.0270.05316.38
5.4.70.0170.05316.21
5.4.60.0170.05716.23
5.4.50.0300.06316.13
5.4.40.0200.05016.23
5.4.30.0100.05716.27
5.4.20.0230.05716.21
5.4.10.0130.06316.35
5.4.00.0270.05015.67
5.3.290.0200.07014.76
5.3.280.0300.04014.59
5.3.270.0200.07014.52
5.3.260.0130.07014.70
5.3.250.0130.06714.61
5.3.240.0070.08314.54
5.3.230.0170.07314.57
5.3.220.0200.05714.66
5.3.210.0100.08014.54
5.3.200.0170.06014.64
5.3.190.0130.06014.49
5.3.180.0230.05714.54
5.3.170.0200.04714.50
5.3.160.0170.05714.65
5.3.150.0170.05314.48
5.3.140.0170.05014.63
5.3.130.0200.06314.46
5.3.120.0200.05714.46
5.3.110.0300.05714.60
5.3.100.0130.05714.03
5.3.90.0100.05313.97
5.3.80.0170.05014.01
5.3.70.0170.05013.94
5.3.60.0130.06313.93
5.3.50.0230.06014.03
5.3.40.0170.05013.94
5.3.30.0170.05313.89
5.3.20.0200.06013.80
5.3.10.0070.06313.59
5.3.00.0100.06313.66
5.2.170.0100.05011.30
5.2.160.0100.04311.09
5.2.150.0070.05011.20
5.2.140.0100.04311.13
5.2.130.0030.05011.18
5.2.120.0130.04011.23
5.2.110.0200.04311.16
5.2.100.0130.04011.24
5.2.90.0200.04711.05
5.2.80.0070.04711.23
5.2.70.0230.04711.09
5.2.60.0200.03711.04
5.2.50.0030.05011.05
5.2.40.0170.05310.95
5.2.30.0130.05710.95
5.2.20.0130.05011.00
5.2.10.0130.05010.96
5.2.00.0300.03710.73
5.1.60.0100.04710.04
5.1.50.0200.0379.95
5.1.40.0100.0339.96
5.1.30.0070.04310.31
5.1.20.0130.03310.41
5.1.10.0070.03710.04
5.1.00.0100.04710.05
5.0.50.0170.0278.60
5.0.40.0070.0278.46
5.0.30.0100.0508.23
5.0.20.0130.0308.38
5.0.10.0030.0438.36
5.0.00.0200.0408.18
4.4.90.0000.0275.90
4.4.80.0030.0235.89
4.4.70.0070.0205.86
4.4.60.0070.0275.90
4.4.50.0000.0335.88
4.4.40.0000.0435.82
4.4.30.0000.0275.89
4.4.20.0030.0235.96
4.4.10.0070.0205.99
4.4.00.0030.0405.95
4.3.110.0030.0235.81
4.3.100.0030.0235.84
4.3.90.0030.0235.84
4.3.80.0070.0335.82
4.3.70.0000.0275.86
4.3.60.0100.0175.89
4.3.50.0100.0205.77
4.3.40.0130.0335.74
4.3.30.0030.0234.64
4.3.20.0000.0274.61
4.3.10.0000.0234.61
4.3.00.0070.01314.42

preferences:
129.55 ms | 1398 KiB | 7 Q