3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("one"=>1,"two"=>2,"three"=>3); foreach($a as &$b) { echo key($a); echo current($a); }

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)
8.3.60.0140.00016.74
8.3.50.0100.01222.04
8.3.40.0110.00818.70
8.3.30.0070.00718.72
8.3.20.0040.00420.22
8.3.10.0000.00823.48
8.3.00.0080.00019.66
8.2.180.0000.01418.29
8.2.170.0140.00722.96
8.2.160.0100.01020.33
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0040.00419.27
8.2.120.0040.00426.35
8.2.110.0050.00520.53
8.2.100.0080.00417.93
8.2.90.0040.00419.03
8.2.80.0080.00017.97
8.2.70.0030.00717.75
8.2.60.0000.00817.80
8.2.50.0060.00318.07
8.2.40.0040.00422.39
8.2.30.0050.00320.63
8.2.20.0040.00417.68
8.2.10.0080.00018.02
8.2.00.0000.00818.01
8.1.280.0070.00725.92
8.1.270.0090.00020.37
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0120.00623.90
8.1.230.0070.00417.76
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0040.00417.21
8.1.180.0030.00518.10
8.1.170.0030.00518.50
8.1.160.0030.00420.66
8.1.150.0070.00018.76
8.1.140.0000.00919.57
8.1.130.0000.00717.70
8.1.120.0040.00417.39
8.1.110.0050.00217.42
8.1.100.0000.00717.37
8.1.90.0000.00717.48
8.1.80.0000.00717.41
8.1.70.0030.00317.40
8.1.60.0020.00517.54
8.1.50.0000.00817.52
8.1.40.0040.00417.46
8.1.30.0000.00817.66
8.1.20.0000.00717.63
8.1.10.0040.00417.54
8.1.00.0040.00417.39
8.0.300.0000.00718.77
8.0.290.0000.00916.63
8.0.280.0050.00318.36
8.0.270.0040.00417.25
8.0.260.0030.00317.20
8.0.250.0000.00716.93
8.0.240.0080.00016.97
8.0.230.0030.00316.88
8.0.220.0000.00716.93
8.0.210.0000.00716.93
8.0.200.0000.00716.96
8.0.190.0000.00916.85
8.0.180.0040.00416.93
8.0.170.0040.00416.86
8.0.160.0040.00416.85
8.0.150.0030.00316.73
8.0.140.0030.00316.81
8.0.130.0080.00013.26
8.0.120.0070.00016.88
8.0.110.0050.00316.93
8.0.100.0050.00316.89
8.0.90.0030.00516.73
8.0.80.0070.01016.85
8.0.70.0070.00017.00
8.0.60.0040.00416.69
8.0.50.0000.00716.86
8.0.30.0140.00617.01
8.0.20.0120.00817.40
8.0.10.0000.00716.99
8.0.00.0090.01316.81
7.4.330.0000.00516.77
7.4.320.0030.00316.55
7.4.300.0000.00716.64
7.4.290.0070.00016.58
7.4.280.0060.00316.57
7.4.270.0000.00716.50
7.4.260.0030.00316.63
7.4.250.0040.00416.56
7.4.240.0000.00816.55
7.4.230.0030.00316.52
7.4.220.0040.01516.45
7.4.210.0120.00716.48
7.4.200.0000.00716.60
7.4.160.0130.01016.34
7.4.150.0110.00617.40
7.4.140.0110.00717.86
7.4.130.0090.00916.66
7.4.120.0080.00916.48
7.4.110.0130.00316.52
7.4.100.0080.00816.42
7.4.90.0030.01316.60
7.4.80.0120.00919.39
7.4.70.0060.01016.37
7.4.60.0070.01016.53
7.4.50.0070.00716.60
7.4.40.0060.01016.39
7.4.30.0170.00716.32
7.4.00.0040.01114.96
7.3.330.0060.00013.18
7.3.320.0000.00613.13
7.3.310.0000.00716.10
7.3.300.0030.00316.30
7.3.290.0060.00816.23
7.3.280.0080.00616.21
7.3.270.0070.01017.40
7.3.260.0100.00616.54
7.3.240.0090.00916.31
7.3.230.0150.00316.62
7.3.210.0110.00516.48
7.3.200.0110.00716.27
7.3.190.0080.00816.20
7.3.180.0060.00916.27
7.3.170.0090.00916.46
7.3.160.0000.01716.49
7.3.120.0070.00715.00
7.3.110.0000.02015.05
7.3.100.0100.00614.68
7.3.90.0070.00314.79
7.3.80.0070.00714.93
7.3.70.0030.01014.89
7.3.60.0070.00714.92
7.3.50.0040.01414.87
7.3.40.0060.00914.82
7.3.30.0070.01014.52
7.3.20.0060.00916.59
7.3.10.0050.01116.67
7.3.00.0100.00316.64
7.2.330.0150.00416.53
7.2.320.0100.01316.79
7.2.310.0090.00616.45
7.2.300.0170.00716.44
7.2.290.0110.00716.67
7.2.240.0070.01115.12
7.2.230.0060.00915.05
7.2.220.0090.00015.02
7.2.210.0100.00715.04
7.2.200.0090.00614.65
7.2.190.0000.01614.98
7.2.180.0000.01614.80
7.2.170.0040.00815.15
7.2.160.0030.01014.88
7.2.150.0070.01016.97
7.2.140.0120.00616.70
7.2.130.0150.00016.86
7.2.120.0050.00816.80
7.2.110.0040.00916.91
7.2.100.0090.00516.85
7.2.90.0050.00916.76
7.2.80.0030.01016.88
7.2.70.0080.00816.94
7.2.60.0080.00516.80
7.2.50.0030.01016.84
7.2.40.0050.00716.74
7.2.30.0030.01216.94
7.2.20.0020.01216.83
7.2.10.0070.00716.74
7.2.00.0130.00117.68
7.1.330.0060.01215.73
7.1.320.0030.01015.70
7.1.310.0030.01315.73
7.1.300.0120.00315.80
7.1.290.0000.01415.71
7.1.280.0030.01015.81
7.1.270.0040.01415.50
7.1.260.0060.00615.73
7.1.250.0060.00615.76
7.1.200.0040.00415.82
7.1.100.0120.00618.30
7.1.70.0000.01116.95
7.1.60.0090.01619.44
7.1.50.0030.01016.53
7.1.00.0030.07322.37
7.0.200.0080.00016.46
7.0.60.0030.09019.88
7.0.50.0030.05317.80
7.0.40.0130.04020.13
7.0.30.0230.08020.13
7.0.20.0200.08720.33
7.0.10.0070.04020.04
7.0.00.0100.06720.00
5.6.280.0030.03020.77
5.6.210.0030.07720.60
5.6.200.0030.08318.12
5.6.190.0000.09020.27
5.6.180.0270.07720.27
5.6.170.0270.07720.33
5.6.160.0100.07720.48
5.6.150.0030.04318.18
5.6.140.0130.03318.10
5.6.130.0030.06018.11
5.6.120.0030.08321.03
5.6.110.0070.09020.98
5.6.100.0070.07720.98
5.6.90.0230.07020.86
5.6.80.0070.05320.28
5.5.350.0030.03720.42
5.5.340.0030.03717.91
5.5.330.0230.05720.25
5.5.320.0530.04720.30
5.5.310.0370.07020.41
5.5.300.0070.08317.95
5.5.290.0130.07717.90
5.5.280.0170.07720.86
5.5.270.0070.05020.96
5.5.260.0030.08020.83
5.5.250.0100.06720.79
5.5.240.3730.04020.18

preferences:
37.88 ms | 401 KiB | 5 Q