3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['EzEz' => 1, 'EzFY' => 2, 'FYEz' => 3]; foreach ($array as &$value) { unset($array['EzFY']); $array['FYFY'] = 4; var_dump($value); } // output: 1, 4

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)
8.3.60.0100.01016.75
8.3.50.0110.00416.57
8.3.40.0090.00618.73
8.3.30.0110.00318.51
8.3.20.0040.00420.31
8.3.10.0040.00421.81
8.3.00.0070.00023.70
8.2.180.0110.01116.38
8.2.170.0100.01022.96
8.2.160.0030.01020.38
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00321.00
8.2.120.0040.00426.35
8.2.110.0000.01020.95
8.2.100.0080.00417.84
8.2.90.0000.01019.20
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0030.00618.03
8.2.50.0000.00918.07
8.2.40.0040.00422.37
8.2.30.0000.00819.41
8.2.20.0000.00717.66
8.2.10.0050.00318.18
8.2.00.0040.00417.98
8.1.280.0120.00625.92
8.1.270.0070.01123.83
8.1.260.0080.00028.09
8.1.250.0070.00028.09
8.1.240.0090.00021.40
8.1.230.0090.00317.42
8.1.220.0000.00817.79
8.1.210.0060.00318.77
8.1.200.0080.00017.35
8.1.190.0050.00317.35
8.1.180.0080.00018.10
8.1.170.0050.00318.50
8.1.160.0000.00720.69
8.1.150.0000.00920.71
8.1.140.0000.00819.47
8.1.130.0070.00017.61
8.1.120.0070.00017.46
8.1.110.0070.00017.36
8.1.100.0040.00417.36
8.1.90.0040.00417.45
8.1.80.0030.00317.35
8.1.70.0030.00317.43
8.1.60.0040.00417.56
8.1.50.0000.00817.44
8.1.40.0030.00717.50
8.1.30.0030.00517.65
8.1.20.0090.00017.57
8.1.10.0040.00417.43
8.1.00.0000.00717.42
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00718.37
8.0.270.0040.00417.17
8.0.260.0000.00617.11
8.0.250.0070.00016.91
8.0.240.0030.00316.91
8.0.230.0000.00816.97
8.0.220.0000.00716.82
8.0.210.0050.00316.83
8.0.200.0000.00616.93
8.0.190.0080.00016.82
8.0.180.0000.00816.91
8.0.170.0000.00816.89
8.0.160.0040.00416.84
8.0.150.0000.00716.75
8.0.140.0040.00416.80
8.0.130.0060.00013.27
8.0.120.0000.00716.90
8.0.110.0080.00016.72
8.0.100.0060.00316.92
8.0.90.0000.00816.88
8.0.80.0100.01016.93
8.0.70.0000.00816.68
8.0.60.0040.00416.93
8.0.50.0040.00417.00
8.0.30.0120.00717.14
8.0.20.0110.00817.40
8.0.10.0040.00416.89
8.0.00.0080.00916.69
7.4.330.0000.00516.73
7.4.320.0000.00616.48
7.4.300.0040.00416.48
7.4.290.0070.00016.59
7.4.280.0000.00816.59
7.4.270.0030.00316.40
7.4.260.0000.00716.38
7.4.250.0040.00416.41
7.4.240.0000.00716.63
7.4.230.0000.00716.66
7.4.220.0150.00416.54
7.4.210.0140.00616.46
7.4.200.0000.00716.70
7.4.160.0030.01316.53
7.4.150.0120.00717.40
7.4.140.0080.01317.86
7.4.130.0090.01116.60
7.4.120.0050.01216.55
7.4.110.0070.01116.70
7.4.100.0070.01016.69
7.4.90.0070.01016.31
7.4.80.0100.00719.39
7.4.70.0140.00716.48
7.4.60.0060.00916.49
7.4.50.0030.00716.21
7.4.40.0090.00616.36
7.4.30.0090.00916.47
7.4.00.0040.00715.13
7.3.330.0000.00613.20
7.3.320.0000.00513.22
7.3.310.0000.00816.27
7.3.300.0040.00416.36
7.3.290.0070.00716.29
7.3.280.0080.00716.36
7.3.270.0130.00317.40
7.3.260.0120.00416.59
7.3.250.0070.01016.45
7.3.240.0100.00916.43
7.3.230.0100.00716.39
7.3.210.0060.01016.66
7.3.200.0100.00719.39
7.3.190.0060.01116.37
7.3.180.0120.01016.59
7.3.170.0120.00916.36
7.3.160.0030.01316.58
7.2.330.0030.01916.54
7.2.320.0090.01216.58
7.2.310.0080.00816.68
7.2.300.0070.01016.88
7.2.290.0110.00616.48
7.2.60.0090.00616.74
7.2.00.0000.01219.34
7.1.200.0060.00615.48
7.1.100.0080.00818.16
7.1.70.0000.00717.25
7.1.60.0060.01319.28
7.1.50.0070.01317.08
7.1.00.0170.06022.48
7.0.200.0390.00715.08
7.0.60.0100.07321.71
7.0.50.0070.03717.77
7.0.40.0130.08020.20
7.0.30.0270.04020.22
7.0.20.0300.05020.30
7.0.10.0030.09020.09
7.0.00.0100.04320.16
5.6.280.0000.03721.15
5.6.210.0130.04320.46
5.6.200.0000.04318.20
5.6.190.0270.06020.35
5.6.180.0330.03720.42
5.6.170.0370.07720.71
5.6.160.0100.03720.45
5.6.150.0070.03718.20
5.6.140.0030.04018.14
5.6.130.0070.06718.21
5.6.120.0100.03320.98
5.6.110.0070.05020.96
5.6.100.0070.07721.02
5.6.90.0100.06321.01
5.6.80.0130.06720.38
5.5.350.4330.04320.34
5.5.340.0100.05717.91
5.5.330.0030.09320.21
5.5.320.0200.05020.21
5.5.310.0330.05020.30
5.5.300.0070.07317.92
5.5.290.0070.05717.88
5.5.280.0130.07720.96
5.5.270.0170.07720.88
5.5.260.0070.05720.94
5.5.250.0030.08320.79
5.5.240.0130.08020.15

preferences:
40.57 ms | 400 KiB | 5 Q