3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); foreach($a as $i => $v) { echo "$v\n"; $a[$i] = $v * 2; } var_dump($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)
8.4.120.0100.00720.35
8.4.110.0070.00722.50
8.4.100.0270.00918.33
8.4.90.0260.00718.17
8.4.80.0240.00518.16
8.4.70.0270.00717.66
8.4.60.0230.01318.09
8.4.50.0160.00518.40
8.4.40.0200.00918.32
8.4.30.0220.00818.08
8.4.20.0210.00717.58
8.4.10.0180.00617.59
8.3.250.0130.00618.95
8.3.240.0110.00817.39
8.3.230.0150.00516.42
8.3.220.0120.00217.76
8.3.210.0150.00516.56
8.3.200.0220.00616.61
8.3.190.0170.00417.45
8.3.180.0260.00616.47
8.3.170.0210.00617.06
8.3.160.0190.00517.26
8.3.150.0150.00516.75
8.3.140.0200.00317.15
8.3.130.0110.00516.97
8.3.120.0170.01016.79
8.3.110.0130.00517.99
8.3.100.0180.00516.38
8.3.90.0210.00619.81
8.3.80.0210.00616.33
8.3.70.0240.00516.31
8.3.60.0240.00716.34
8.3.50.0170.00519.19
8.3.40.0170.00717.83
8.3.30.0150.00917.78
8.3.20.0130.00718.39
8.3.10.0110.00519.61
8.3.00.0070.00518.01
8.2.290.0120.00618.50
8.2.280.0170.00416.17
8.2.270.0220.00317.35
8.2.260.0210.00516.55
8.2.250.0150.00416.97
8.2.240.0160.00716.51
8.2.230.0160.00518.44
8.2.220.0190.00619.07
8.2.210.0190.00319.89
8.2.200.0160.00716.34
8.2.190.0240.00416.44
8.2.180.0230.00719.51
8.2.170.0270.00619.50
8.2.160.0250.01018.58
8.2.150.0190.00519.72
8.2.140.0190.00519.92
8.2.130.0190.00717.51
8.2.120.0200.00420.54
8.2.110.0150.00418.96
8.2.100.0160.00517.65
8.2.90.0170.00417.70
8.2.80.0120.00317.66
8.2.70.0170.00817.52
8.2.60.0110.00517.62
8.2.50.0180.00417.61
8.2.40.0160.00418.55
8.2.30.0170.00517.68
8.2.20.0160.00717.65
8.2.10.0170.00617.67
8.2.00.0160.00617.70
8.1.330.0160.00818.83
8.1.320.0290.00515.89
8.1.310.0220.00616.39
8.1.300.0200.00616.53
8.1.290.0180.00620.75
8.1.280.0140.00719.35
8.1.270.0190.00419.55
8.1.260.0150.00220.90
8.1.250.0160.00620.84
8.1.240.0170.00519.42
8.1.230.0150.00618.42
8.1.220.0180.00317.42
8.1.210.0200.00617.67
8.1.200.0160.00517.24
8.1.190.0170.00517.23
8.1.180.0180.00417.49
8.1.170.0150.00417.55
8.1.160.0100.00518.34
8.1.150.0120.00517.25
8.1.140.0130.00417.83
8.1.130.0100.00417.32
8.1.120.0140.00517.29
8.1.110.0140.00617.22
8.1.100.0160.00417.32
8.1.90.0130.00617.21
8.1.80.0170.00517.32
8.1.70.0150.00517.28
8.1.60.0130.00817.41
8.1.50.0150.00617.43
8.1.40.0170.00517.44
8.1.30.0160.00717.40
8.1.20.0160.00517.56
8.1.10.0150.00717.48
8.1.00.0170.00317.27
8.0.300.0110.00417.83
8.0.290.0130.00316.74
8.0.280.0090.00517.13
8.0.270.0110.00616.76
8.0.260.0150.00417.54
8.0.250.0110.00416.73
8.0.240.0120.00216.78
8.0.230.0140.00116.69
8.0.220.0120.00616.64
8.0.210.0170.00216.70
8.0.200.0150.00316.79
8.0.190.0160.00416.80
8.0.180.0160.00416.74
8.0.170.0140.00616.70
8.0.160.0140.00516.73
8.0.150.0120.00516.64
8.0.140.0100.00516.66
8.0.130.0150.00315.79
8.0.120.0160.00516.66
8.0.110.0140.00716.63
8.0.100.0130.00516.70
8.0.90.0150.00516.64
8.0.80.0140.00816.67
8.0.70.0150.00416.65
8.0.60.0130.00816.65
8.0.50.0120.00316.64
8.0.30.0150.00816.75
8.0.20.0130.00816.99
8.0.10.0150.00416.86
8.0.00.0170.00816.75
7.4.330.0190.00216.48
7.4.320.0170.00216.42
7.4.300.0130.00516.46
7.4.290.0130.00616.38
7.4.280.0150.00516.46
7.4.270.0130.00516.47
7.4.260.0110.00716.41
7.4.250.0140.00516.43
7.4.240.0120.00516.42
7.4.230.0100.00416.46
7.4.220.0100.00816.49
7.4.210.0110.00616.51
7.4.200.0130.00616.40
7.4.190.0170.00616.33
7.4.180.0130.00316.45
7.4.160.0120.00516.43
7.4.150.0100.00616.66
7.4.140.0140.00516.96
7.4.130.0170.00516.36
7.4.120.0150.00616.38
7.4.110.0160.00616.34
7.4.100.0140.00816.38
7.4.90.0120.01016.38
7.4.80.0150.00716.96
7.4.70.0150.00616.36
7.4.60.0120.00816.38
7.4.50.0120.00816.39
7.4.40.0160.00716.36
7.4.30.0160.00316.45
7.4.20.0140.00716.31
7.4.10.0140.00816.36
7.4.00.0150.00616.22
7.3.330.0150.00515.42
7.3.320.0090.00515.42
7.3.310.0120.00516.18
7.3.300.0100.00416.22
7.3.290.0100.00816.22
7.3.280.0120.00616.26
7.3.270.0100.00916.53
7.3.260.0120.00516.28
7.3.250.0130.00716.31
7.3.240.0160.00616.25
7.3.230.0190.00316.36
7.3.220.0200.00416.19
7.3.210.0130.00716.41
7.3.200.0140.00616.36
7.3.190.0130.00616.32
7.3.180.0130.00616.28
7.3.170.0140.00616.31
7.3.160.0130.00516.31
7.3.150.0100.00716.30
7.3.140.0140.00716.23
7.3.130.0140.00716.31
7.3.120.0160.00416.29
7.3.110.0120.00716.09
7.3.100.0130.00715.81
7.3.90.0130.00615.80
7.3.80.0130.00715.68
7.3.70.0110.00715.66
7.3.60.0120.00615.65
7.3.50.0110.00815.66
7.3.40.0100.00715.56
7.3.30.0090.00715.68
7.3.20.0180.00716.41
7.3.10.0150.00816.46
7.3.00.0190.00616.44
7.2.340.0170.00516.33
7.2.330.0160.00416.38
7.2.320.0110.00816.33
7.2.310.0130.00716.43
7.2.300.0140.00716.37
7.2.290.0160.00416.30
7.2.280.0130.00716.67
7.2.270.0140.00616.38
7.2.260.0140.00716.35
7.2.250.0160.00716.39
7.2.240.0140.00616.32
7.2.230.0130.00815.88
7.2.220.0160.00515.84
7.2.210.0100.00815.79
7.2.200.0130.00615.79
7.2.190.0090.01015.78
7.2.180.0120.00915.79
7.2.170.0140.00615.80
7.2.160.0150.00515.70
7.2.150.0190.00616.62
7.2.140.0160.00716.57
7.2.130.0180.01016.61
7.2.120.0230.00716.56
7.2.110.0410.00816.39
7.2.100.0490.00816.41
7.2.90.0410.00816.38
7.2.80.0510.00716.45
7.2.70.0530.00716.45
7.2.60.0450.00916.47
7.2.50.0510.00716.41
7.2.40.0510.00916.49
7.2.30.0460.00516.42
7.2.20.0300.00816.42
7.2.10.0340.00716.39
7.2.00.0210.00816.45
7.1.330.0170.00816.37
7.1.320.0160.00716.27
7.1.310.0160.00515.80
7.1.300.0120.00815.89
7.1.290.0110.00715.83
7.1.280.0240.00815.84
7.1.270.0190.00515.61
7.1.260.0170.00615.59
7.1.250.0210.00815.65
7.1.240.0180.00815.67
7.1.230.0460.00815.53
7.1.220.0500.00815.51
7.1.210.0420.00715.41
7.1.200.0460.00715.52
7.1.190.0450.00715.50
7.1.180.0510.00715.42
7.1.170.0490.00815.49
7.1.160.0460.00815.48
7.1.150.0470.00715.37
7.1.140.0390.00615.44
7.1.130.0210.00515.49
7.1.120.0500.00715.46
7.1.110.0470.00615.58
7.1.100.0180.00715.52
7.1.90.0180.00715.58
7.1.80.0200.00815.57
7.1.70.0150.01015.63
7.1.60.0270.00718.56
7.1.50.0290.00918.51
7.1.40.0240.00618.43
7.1.30.0320.00818.46
7.1.20.0210.00818.71
7.1.10.0200.00915.64
7.1.00.0180.00915.66
7.0.330.0210.00515.40
7.0.320.0210.00815.24
7.0.310.0660.00815.15
7.0.300.0560.00815.13
7.0.290.0450.00815.15
7.0.280.0280.00615.16
7.0.270.0200.00615.13
7.0.260.0200.00615.15
7.0.250.0180.00915.23
7.0.240.0250.00615.30
7.0.230.0230.00715.36
7.0.220.0210.00615.21
7.0.210.0290.00615.14
7.0.200.0300.00615.22
7.0.190.0250.00715.23
7.0.180.0150.00915.22
7.0.170.0170.00815.24
7.0.160.0330.00615.29
7.0.150.0220.00715.42
7.0.140.0180.00715.37
7.0.130.0190.00715.44
7.0.120.0150.00815.39
7.0.110.0150.00715.22
7.0.100.0180.00615.18
7.0.90.0180.00815.23
7.0.80.0230.00615.21
7.0.70.0240.00815.21
7.0.60.0230.00715.17
7.0.50.0230.00715.23
7.0.40.0220.00815.15
7.0.30.0250.00615.09
7.0.20.0210.00915.10
7.0.10.0230.00715.17
7.0.00.0240.00615.13
5.6.400.0140.00815.29
5.6.390.0130.00915.23
5.6.380.0120.00815.15
5.6.370.0160.00815.19
5.6.360.0150.00715.12
5.6.350.0140.00815.21
5.6.340.0170.00815.12
5.6.330.0100.01015.14
5.6.320.0120.00815.15
5.6.310.0150.00715.07
5.6.300.0140.01716.03
5.6.290.0150.01716.05
5.6.280.0160.01516.09
5.6.270.0140.01416.03
5.6.260.0160.01616.13
5.6.250.0130.01716.09
5.6.240.0140.01416.12
5.6.230.0130.01716.12
5.6.220.0130.01916.07
5.6.210.0160.01416.12
5.6.200.0140.01516.09
5.6.190.0130.01816.11
5.6.180.0120.01516.07
5.6.170.0140.01316.12
5.6.160.0140.01516.13
5.6.150.0130.01516.17
5.6.140.0150.01716.12
5.6.130.0140.01416.19
5.6.120.0120.01616.09
5.6.110.0130.01316.14
5.6.100.0140.01416.08
5.6.90.0140.01616.07
5.6.80.0140.01415.97
5.6.70.0140.01715.94
5.6.60.0130.01415.89
5.6.50.0120.01715.93
5.6.40.0120.01515.98
5.6.30.0110.01615.94
5.6.20.0170.01515.96
5.6.10.0120.01615.98
5.6.00.0130.01615.97
5.5.380.0140.01215.33
5.5.370.0150.01315.26
5.5.360.0130.02015.25
5.5.350.0130.01515.24
5.5.340.0150.01615.28
5.5.330.0130.01515.43
5.5.320.0120.01515.31
5.5.310.0130.01515.25
5.5.300.0130.01715.25
5.5.290.0130.01515.32
5.5.280.0160.01315.23
5.5.270.0130.01615.30
5.5.260.0140.01615.30
5.5.250.0140.01615.30
5.5.240.0120.01515.21
5.5.230.0140.01315.20
5.5.220.0170.01515.14
5.5.210.0150.01515.16
5.5.200.0140.01215.18
5.5.190.0120.01515.14
5.5.180.0140.01515.22
5.5.170.0160.00615.11
5.5.160.0110.01915.23
5.5.150.0120.01715.12
5.5.140.0130.01515.16
5.5.130.0120.01715.25
5.5.120.0120.01515.14
5.5.110.0100.01515.15
5.5.100.0110.01715.17
5.5.90.0140.01615.21
5.5.80.0130.01515.20
5.5.70.0140.01215.21
5.5.60.0100.01715.07
5.5.50.0120.01615.17
5.5.40.0120.01515.12
5.5.30.0140.01415.21
5.5.20.0110.01615.16
5.5.10.0120.01815.03
5.5.00.0130.01415.06

preferences:
39.36 ms | 403 KiB | 5 Q