3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(memory_get_usage()); $arr = [1,2,3]; var_dump(memory_get_usage()); foreach ($arr as $k => $v) { var_dump(memory_get_usage()); if (!isset($arr[$k])) { var_dump(memory_get_usage()); } }

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)
7.2.00.0030.01018.89
7.1.70.0000.00717.21
7.1.60.0110.01519.46
7.1.50.0070.00716.80
7.1.00.0000.07722.44
7.0.200.0090.00316.47
7.0.140.0130.06321.96
7.0.60.0170.07319.93
7.0.50.0070.07317.86
7.0.40.0170.05720.40
7.0.30.0400.08020.13
7.0.20.0300.04720.04
7.0.10.0030.05320.30
7.0.00.0130.08320.31
5.6.280.0030.07321.07
5.6.210.0030.06020.65
5.6.200.0030.04018.11
5.6.190.0100.08020.63
5.6.180.0330.03720.61
5.6.170.0170.09020.34
5.6.160.0070.07720.40
5.6.150.0000.05318.11
5.6.140.0070.08318.16
5.6.130.0070.05018.18
5.6.120.0030.08320.96
5.6.110.0170.07321.09
5.6.100.0070.08020.93
5.6.90.0030.06021.12
5.6.80.0130.07020.53
5.5.350.0200.06020.49
5.5.340.0000.04318.00
5.5.330.0100.08020.40
5.5.320.0030.04720.13
5.5.310.0330.04320.18
5.5.300.0100.04717.95
5.5.290.0100.07717.95
5.5.280.0030.08320.84
5.5.270.0070.07020.94
5.5.260.0070.05720.72
5.5.250.0000.09320.68
5.5.240.4170.03720.12
5.4.450.0070.07319.21
5.4.440.0070.07719.57
5.4.430.0030.04719.48
5.4.420.0100.07319.41
5.4.410.0130.05719.13
5.4.400.0070.07018.81
5.4.390.0100.06719.13
5.4.380.0000.04719.25
5.4.370.0070.05719.16
5.4.360.0070.06319.16
5.4.350.0100.05318.93
5.4.340.0030.07718.93
5.4.320.0030.06319.13
5.4.310.0070.07718.79
5.4.300.0030.06018.92
5.4.290.0070.05319.24
5.4.280.0100.07318.91
5.4.270.0070.05719.09
5.4.260.0000.06719.09
5.4.250.0170.06718.75
5.4.240.0130.06018.88
5.4.230.0030.07319.05
5.4.220.0130.05319.24
5.4.210.0030.06019.08
5.4.200.0030.05718.89
5.4.190.0170.05019.09
5.4.180.0030.06319.10
5.4.170.0030.06319.07
5.4.160.0030.06019.23
5.4.150.0100.06019.23
5.4.140.0000.03716.35
5.4.130.0070.03016.43
5.4.120.0070.03016.25
5.4.110.0030.04716.49
5.4.100.0030.03016.20
5.4.90.0000.03316.21
5.4.80.0030.03316.42
5.4.70.0000.04716.46
5.4.60.0000.03316.20
5.4.50.0030.03316.40
5.4.40.0030.03316.38
5.4.30.0000.03316.43
5.4.20.0000.05316.43
5.4.10.0030.03316.36
5.4.00.0030.03015.73
5.3.290.0030.05714.60
5.3.280.0030.07314.44
5.3.270.0030.08014.65
5.3.260.0070.07014.48
5.3.250.0000.04314.69
5.3.240.0070.03014.48
5.3.230.0000.03714.50
5.3.220.0000.03714.41
5.3.210.0070.03714.42
5.3.200.0130.03014.52
5.3.190.0030.03314.42
5.3.180.0000.03714.47
5.3.170.0030.03314.52
5.3.160.0030.03714.61
5.3.150.0000.03714.41
5.3.140.0030.03714.42
5.3.130.0000.04014.41
5.3.120.0000.04314.50
5.3.110.0000.04014.39
5.3.100.0000.05013.88
5.3.90.0100.02713.86
5.3.80.0000.03713.81
5.3.70.0000.03313.85
5.3.60.0000.03314.09
5.3.50.0000.03714.04
5.3.40.0000.05313.89
5.3.30.0000.03313.70
5.3.20.0100.02713.73
5.3.10.0170.02313.61
5.3.00.0170.03013.66
5.2.170.0070.02312.28
5.2.160.0000.02712.28
5.2.150.0000.03012.28
5.2.140.0000.03012.28
5.2.130.0000.02712.28
5.2.120.0000.03312.28
5.2.110.0100.05012.28
5.2.100.0030.03012.28
5.2.90.0000.03012.28
5.2.80.0070.02712.28
5.2.70.0030.02712.28
5.2.60.0000.02712.28
5.2.50.0000.03012.28
5.2.40.0070.02312.28
5.2.30.0000.03012.28
5.2.20.0000.03012.28
5.2.10.0000.02712.28
5.2.00.0000.03012.28
5.1.60.0130.01712.28
5.1.50.0000.03312.28
5.1.40.0000.04012.28
5.1.30.0030.05712.28
5.1.20.0030.05712.28
5.1.10.0000.06012.28
5.1.00.0030.03012.28
5.0.50.0070.03712.28
5.0.40.0070.03012.28
5.0.30.0070.06312.28
5.0.20.0000.03012.28
5.0.10.0000.04012.28
5.0.00.0070.05712.28
4.4.90.0030.01012.28
4.4.80.0000.02012.28
4.4.70.0000.01312.28
4.4.60.0000.01312.28
4.4.50.0000.01312.28
4.4.40.0070.02312.28
4.4.30.0000.03312.28
4.4.20.0000.01712.28
4.4.10.0030.01312.28
4.4.00.0030.04312.28
4.3.110.0000.03012.28
4.3.100.0070.03012.28
4.3.90.0000.02712.28
4.3.80.0000.04012.28
4.3.70.0000.03712.28
4.3.60.0030.03312.28
4.3.50.0000.03312.28
4.3.40.0030.05012.28
4.3.30.0030.03712.28
4.3.20.0070.03312.28
4.3.10.0000.03312.28
4.3.00.0030.03312.28

preferences:
35.83 ms | 401 KiB | 5 Q