3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = &$a; foreach($b as $v) { echo "$v\n"; unset($a[1]); }

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)
8.3.70.0120.00616.50
8.3.60.0060.00916.50
8.3.50.0160.00422.06
8.3.40.0040.01118.88
8.3.30.0070.00718.71
8.3.20.0040.00420.14
8.3.10.0040.00420.53
8.3.00.0030.00521.90
8.2.190.0040.01116.58
8.2.180.0090.01216.50
8.2.170.0090.00622.96
8.2.160.0080.00622.00
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0030.00620.75
8.2.120.0040.00426.35
8.2.110.0100.00722.10
8.2.100.0120.00017.91
8.2.90.0000.00919.17
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0030.00518.02
8.2.50.0000.00818.09
8.2.40.0080.00020.51
8.2.30.0080.00319.48
8.2.20.0050.00517.61
8.2.10.0000.00717.99
8.2.00.0040.00418.11
8.1.280.0150.00425.92
8.1.270.0100.01022.02
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0070.00422.07
8.1.230.0110.00022.68
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0070.00018.10
8.1.170.0060.00318.66
8.1.160.0050.00320.74
8.1.150.0060.00320.71
8.1.140.0040.00419.65
8.1.130.0000.00817.61
8.1.120.0040.00417.52
8.1.110.0040.00417.50
8.1.100.0050.00317.47
8.1.90.0000.00817.34
8.1.80.0040.00417.52
8.1.70.0000.00717.49
8.1.60.0020.00517.53
8.1.50.0040.00417.56
8.1.40.0000.00917.57
8.1.30.0040.00417.62
8.1.20.0050.00217.54
8.1.10.0000.00717.47
8.1.00.0080.00017.54
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0000.00718.43
8.0.270.0000.00717.13
8.0.260.0070.00017.25
8.0.250.0030.00316.92
8.0.240.0080.00016.99
8.0.230.0000.00717.04
8.0.220.0040.00416.92
8.0.210.0070.00016.86
8.0.200.0060.00016.96
8.0.190.0030.00316.83
8.0.180.0000.00716.80
8.0.170.0000.00716.84
8.0.160.0030.00516.93
8.0.150.0050.00216.74
8.0.140.0040.00416.78
8.0.130.0060.00013.30
8.0.120.0050.00216.82
8.0.110.0040.00416.88
8.0.100.0070.00016.90
8.0.90.0040.00416.88
8.0.80.0130.01016.89
8.0.70.0070.00016.75
8.0.60.0040.00416.77
8.0.50.0030.00616.89
8.0.30.0080.01117.03
8.0.20.0120.00717.40
8.0.10.0040.00416.96
8.0.00.0090.00916.91
7.4.330.0000.00516.74
7.4.320.0030.00316.60
7.4.300.0000.00616.49
7.4.290.0000.00716.51
7.4.280.0050.00316.58
7.4.270.0040.00416.49
7.4.260.0030.00616.53
7.4.250.0030.00516.54
7.4.240.0050.00216.50
7.4.230.0000.00716.40
7.4.220.0160.00316.44
7.4.210.0090.00516.56
7.4.200.0030.00316.48
7.4.160.0060.01016.47
7.4.150.0140.00417.40
7.4.140.0050.01317.86
7.4.130.0110.01016.55
7.4.120.0110.00616.51
7.4.110.0090.00916.65
7.4.100.0090.01216.30
7.4.90.0080.01116.44
7.4.80.0060.01119.39
7.4.70.0090.00916.50
7.4.60.0100.00716.39
7.4.50.0090.00616.41
7.4.40.0090.00616.59
7.4.30.0130.01016.45
7.4.00.0060.00915.20
7.3.330.0050.00013.10
7.3.320.0020.00213.15
7.3.310.0070.00016.32
7.3.300.0030.00316.26
7.3.290.0060.00016.29
7.3.280.0090.00716.29
7.3.270.0090.00917.40
7.3.260.0090.01516.49
7.3.250.0080.00916.44
7.3.240.0070.00916.44
7.3.230.0070.01116.46
7.3.210.0040.01316.14
7.3.200.0060.01616.37
7.3.190.0100.00716.26
7.3.180.0060.00916.51
7.3.170.0110.00716.20
7.3.160.0090.01016.55
7.2.330.0030.01416.54
7.2.320.0030.01516.81
7.2.310.0080.00816.52
7.2.300.0160.00616.53
7.2.290.0080.00816.68
7.2.60.0020.00517.05
7.2.00.0030.00618.96
7.1.200.0060.00315.91
7.1.100.0070.00418.00
7.1.70.0040.00817.24
7.1.60.0060.01819.40
7.1.50.0100.01316.95
7.1.00.0100.07022.44
7.0.200.0510.00414.93
7.0.60.0300.07320.04
7.0.50.0030.04017.82
7.0.40.0030.04320.04
7.0.30.0230.03720.17
7.0.20.0170.06020.09
7.0.10.0070.09020.16
7.0.00.0100.05320.09
5.6.280.0000.03321.13
5.6.210.0100.03720.74
5.6.200.0030.08018.22
5.6.190.0200.06720.57
5.6.180.0370.06320.77
5.6.170.0330.07720.50
5.6.160.0200.08020.61
5.6.150.0030.04318.11
5.6.140.0100.07718.11
5.6.130.0100.06318.12
5.6.120.0130.06321.05
5.6.110.0030.04320.95
5.6.100.0130.08320.99
5.6.90.0030.04320.97
5.6.80.0030.08020.28
5.5.350.0230.07020.40
5.5.340.0170.07718.01
5.5.330.0130.08720.28
5.5.320.0400.04320.17
5.5.310.0330.06720.27
5.5.300.0170.06318.02
5.5.290.0070.04717.97
5.5.280.0070.06720.79
5.5.270.0070.08720.83
5.5.260.0130.04320.79
5.5.250.0200.05720.61
5.5.240.0270.03320.16

preferences:
58.18 ms | 401 KiB | 5 Q