3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['one', 'two', 'three', 'four', 'five']; foreach($arr as $elem) { var_dump(current($arr)); } foreach(&$arr as $elem) { var_dump(current($arr)); }

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)
5.6.120.0070.08721.02
5.6.110.0070.04720.89
5.6.100.0030.04320.88
5.6.90.0070.08721.09
5.6.80.0130.07320.50
5.6.70.4430.03320.27
5.5.280.0030.04320.76
5.5.270.0200.07020.79
5.5.260.0000.04720.76
5.5.250.0100.04020.61
5.5.240.0270.06720.28
5.4.440.3200.04319.57
5.4.430.3370.04019.47
5.4.420.3270.03719.52
5.4.410.3300.03719.14
5.4.400.3200.04319.18
5.4.390.3100.03319.15
5.4.380.3070.02719.23
5.4.370.4200.04019.10
5.4.360.3270.04019.06
5.4.350.3430.03318.98
5.4.340.3430.03319.23
5.4.320.3830.04319.32
5.4.310.3430.03719.09
5.4.300.3470.03318.94
5.4.290.2670.03719.16
5.4.280.3230.03019.11
5.4.270.3900.03319.01
5.4.260.2830.04319.08
5.4.250.2830.04019.14
5.4.240.2830.03718.94
5.4.230.3130.03718.85
5.4.220.2870.03719.21
5.4.210.2830.04018.96
5.4.200.3100.03719.15
5.4.190.3430.03018.86
5.4.180.3530.05319.12
5.4.170.3530.02719.12
5.4.160.3370.03719.14
5.4.150.3670.03719.04
5.4.140.3400.04016.68
5.4.130.3970.03316.30
5.4.120.4230.04316.29
5.4.110.3670.03316.55
5.4.100.3500.04016.56
5.4.90.3730.04316.41
5.4.80.3400.03316.34
5.4.70.3170.03016.54
5.4.60.3730.03016.49
5.4.50.3430.04316.48
5.4.40.3330.03016.50
5.4.30.3530.02716.38
5.4.20.3300.03716.53
5.4.10.3230.03716.23
5.4.00.3370.03715.82
5.3.290.3770.04314.52
5.3.280.3230.03714.43
5.3.270.3370.03314.55
5.3.260.3470.03014.49
5.3.250.3200.03714.47
5.3.240.3970.03314.55
5.3.230.3830.03714.55
5.3.220.4070.03014.52
5.3.210.4070.03314.43
5.3.200.4070.03714.61
5.3.190.3470.03314.49
5.3.180.3900.04314.55
5.3.170.3030.03714.42
5.3.160.3570.03314.40
5.3.150.3400.03014.44
5.3.140.3100.03714.51
5.3.130.3470.03314.60
5.3.120.3500.03014.38
5.3.110.3000.04014.53
5.3.100.3930.03713.95
5.3.90.4100.03713.87
5.3.80.3900.03713.96
5.3.70.4070.03713.83
5.3.60.3900.03713.95
5.3.50.4000.03714.03
5.3.40.3170.02713.78
5.3.30.4130.03313.86
5.3.20.3970.03313.48
5.3.10.4000.03713.60
5.3.00.3400.03313.48
5.2.170.3300.03311.21
5.2.160.3270.02310.98
5.2.150.3330.03311.15
5.2.140.3400.03011.00
5.2.130.3500.01710.95
5.2.120.3400.03010.96
5.2.110.2570.03710.93
5.2.100.2930.03010.94
5.2.90.2930.03311.04
5.2.80.2930.02311.04
5.2.70.2830.02710.93
5.2.60.2670.03310.89
5.2.50.2670.03011.16
5.2.40.2170.02710.88
5.2.30.2330.02710.91
5.2.20.2330.03010.81
5.2.10.2170.02710.91
5.2.00.2770.03010.68
5.1.60.2330.02310.00
5.1.50.2200.03010.04
5.1.40.2700.02010.14
5.1.30.2530.02010.43
5.1.20.2700.03010.40
5.1.10.2530.02310.00
5.1.00.2300.02010.01
5.0.50.1300.0239.97
5.0.40.1270.0279.97
5.0.30.1100.0309.97
5.0.20.1270.0239.97
5.0.10.1130.0179.97
5.0.00.1130.0309.97
4.4.90.1230.0209.97
4.4.80.1300.0209.97
4.4.70.1270.0079.97
4.4.60.1430.0139.97
4.4.50.1070.0179.97
4.4.40.1030.0239.97
4.4.30.1200.0179.97
4.4.20.1270.0179.97
4.4.10.1300.0179.97
4.4.00.1270.0309.97
4.3.110.1170.0179.97
4.3.100.1130.0179.97
4.3.90.1270.0209.97
4.3.80.1170.0279.97
4.3.70.1030.0179.97
4.3.60.1230.0209.97
4.3.50.1530.0179.97
4.3.40.1030.0239.97
4.3.30.0570.0139.97
4.3.20.0500.0179.97
4.3.10.0600.0179.97
4.3.00.0700.0239.97

preferences:
147.57 ms | 1394 KiB | 7 Q