3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3,4); $b = array('a', 'b', 'c'); print_r($a); array_walk($a, function(&$item) use ($a) { $item *= 2; }); print_r($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)
8.3.60.0080.00816.47
8.3.50.0110.00916.59
8.3.40.0090.00918.67
8.3.30.0070.00718.44
8.3.20.0040.00418.77
8.3.10.0030.00520.39
8.3.00.0050.00319.26
8.2.180.0140.00716.38
8.2.170.0100.00322.96
8.2.160.0030.01022.15
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00019.95
8.2.110.0060.00322.11
8.2.100.0070.00417.84
8.2.90.0030.00617.84
8.2.80.0030.00617.97
8.2.70.0030.00617.63
8.2.60.0080.00017.87
8.2.50.0060.00318.07
8.2.40.0040.00418.16
8.2.30.0000.00818.12
8.2.20.0030.00517.62
8.2.10.0030.00517.60
8.2.00.0000.00717.80
8.1.280.0100.00325.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00322.61
8.1.230.0030.00821.04
8.1.220.0000.00817.79
8.1.210.0060.00318.85
8.1.200.0060.00317.48
8.1.190.0080.00017.51
8.1.180.0080.00018.10
8.1.170.0000.00820.60
8.1.160.0050.00318.86
8.1.150.0000.00718.64
8.1.140.0100.00017.45
8.1.130.0030.00317.83
8.1.120.0050.00317.48
8.1.110.0040.00417.36
8.1.100.0030.00517.35
8.1.90.0030.00517.44
8.1.80.0040.00417.50
8.1.70.0030.00317.47
8.1.60.0030.00617.62
8.1.50.0000.00817.37
8.1.40.0030.00517.46
8.1.30.0000.00817.64
8.1.20.0080.00017.63
8.1.10.0040.00417.40
8.1.00.0040.00417.47
8.0.300.0000.00819.85
8.0.290.0020.00516.75
8.0.280.0030.00518.40
8.0.270.0000.00717.15
8.0.260.0000.00716.74
8.0.250.0000.00716.79
8.0.240.0050.00316.86
8.0.230.0070.00017.00
8.0.220.0040.00416.88
8.0.210.0070.00016.80
8.0.200.0030.00316.85
8.0.190.0000.00716.85
8.0.180.0050.00216.82
8.0.170.0000.00916.91
8.0.160.0030.00316.78
8.0.150.0030.00616.67
8.0.140.0040.00416.70
8.0.130.0000.00513.33
8.0.120.0030.00616.82
8.0.110.0040.00416.90
8.0.100.0040.00416.84
8.0.90.0040.00416.84
8.0.80.0050.00916.94
8.0.70.0070.00016.70
8.0.60.0050.00216.87
8.0.50.0000.00716.83
8.0.30.0140.00616.99
8.0.20.0100.00717.03
8.0.10.0000.00817.02
8.0.00.0090.00816.73
7.4.330.0000.00412.92
7.4.320.0000.00716.50
7.4.300.0030.00316.58
7.4.290.0070.00016.49
7.4.280.0000.00716.48
7.4.270.0070.00016.57
7.4.260.0000.00513.30
7.4.250.0040.00416.57
7.4.240.0030.00616.39
7.4.230.0050.00216.44
7.4.220.0120.01216.55
7.4.210.0080.00816.58
7.4.200.0030.00316.62
7.4.190.0000.00716.55
7.4.160.0070.01116.68
7.4.150.0090.00916.59
7.4.140.0070.01016.48
7.4.130.0100.00816.51
7.4.120.0130.00516.48
7.4.110.0070.01016.43
7.4.100.0030.01616.55
7.4.90.0080.01216.42
7.4.80.0080.01316.32
7.4.70.0090.01316.49
7.4.60.0150.00616.45
7.4.50.0000.00516.36
7.4.40.0040.00816.50
7.4.30.0100.00716.48
7.4.00.0030.01415.03
7.3.330.0000.00613.22
7.3.320.0060.00013.36
7.3.310.0000.00716.41
7.3.300.0030.00316.34
7.3.290.0060.00616.34
7.3.280.0070.00916.24
7.3.270.0120.00616.28
7.3.260.0050.01116.32
7.3.250.0120.00916.43
7.3.240.0060.01016.52
7.3.230.0080.00816.33
7.3.210.0070.01016.26
7.3.200.0060.01119.39
7.3.190.0070.01416.36
7.3.180.0080.00816.29
7.3.170.0100.01316.29
7.3.160.0100.01016.37
7.3.120.0030.01214.59
7.3.10.0030.01016.42
7.3.00.0090.00316.67
7.2.330.0100.01016.61
7.2.320.0120.00616.62
7.2.310.0100.01016.66
7.2.300.0090.01216.60
7.2.290.0100.00716.59
7.2.130.0140.00016.89
7.2.120.0060.00916.72
7.2.110.0030.00716.71
7.2.100.0030.00716.66
7.2.90.0060.00916.93
7.2.80.0030.00616.78
7.2.70.0030.01017.04
7.2.60.0100.00316.91
7.2.50.0060.00616.91
7.2.40.0030.01016.85
7.2.30.0090.00616.81
7.2.20.0100.00316.55
7.2.10.0030.00716.88
7.2.00.0030.01018.03
7.1.250.0070.01015.71
7.1.100.0030.00718.24
7.1.70.0000.01017.04
7.1.60.0060.01219.40
7.1.50.0040.00816.86
7.1.00.0030.06722.36
7.0.200.0230.00314.38
7.0.140.0030.07721.99
7.0.120.0070.07321.95
7.0.60.0100.06720.07
7.0.50.0100.06017.96
7.0.40.0100.08319.97
7.0.30.0230.07020.08
7.0.20.0130.09020.07
7.0.10.0270.05320.09
7.0.00.0100.06320.23
5.6.280.0000.08020.81
5.6.210.0200.06020.54
5.6.200.0100.08018.12
5.6.190.0170.08020.57
5.6.180.0230.05320.42
5.6.170.0170.06320.71
5.6.160.0130.04320.48
5.6.150.0100.04718.23
5.6.140.0070.05718.14
5.6.130.0030.08318.14
5.6.120.0030.08720.90
5.6.110.0070.03721.03
5.6.100.0070.07020.97
5.6.90.0100.07320.99
5.6.80.0070.07720.35
5.6.70.3830.03720.37
5.5.350.0300.07720.35
5.5.340.0100.07017.98
5.5.330.0030.04320.37
5.5.320.0300.07720.57
5.5.310.0170.06020.27
5.5.300.0100.05018.03
5.5.290.0070.08318.07
5.5.280.0170.07720.96
5.5.270.0070.08320.86
5.5.260.0070.08720.80
5.5.250.0070.08320.62
5.5.240.0130.07320.27
5.4.450.0070.08319.20
5.4.440.0130.07319.18
5.4.430.0070.05319.18
5.4.420.0070.07319.46
5.4.410.0070.04019.35
5.4.400.0000.04018.93
5.4.390.0000.04019.16
5.4.380.0070.03319.00
5.4.370.0070.03718.87
5.4.360.0070.07319.00
5.4.350.0000.04018.92
5.4.340.0030.04018.85
5.4.320.0000.04318.85
5.4.310.0070.03719.24
5.4.300.0170.03019.08
5.4.290.0000.04018.97
5.4.280.0030.03718.98
5.4.270.0070.04319.20
5.4.260.0000.04019.14
5.4.250.0000.04019.24
5.4.240.0000.04018.86
5.4.230.0030.03719.14
5.4.220.0200.02319.24
5.4.210.0030.03719.23
5.4.200.0000.04019.26
5.4.190.0000.04018.84
5.4.180.0000.04019.15
5.4.170.0030.03718.83
5.4.160.0030.03718.96
5.4.150.0030.06319.18
5.4.140.0130.04016.51
5.4.130.0130.04716.32
5.4.120.0070.07316.48
5.4.110.0070.06716.43
5.4.100.0070.04016.35
5.4.90.0100.06716.43
5.4.80.0100.07016.37
5.4.70.0100.06316.66
5.4.60.0070.07316.47
5.4.50.0100.06016.27
5.4.40.0030.07016.38
5.4.30.0070.07716.44
5.4.20.0000.07016.50
5.4.10.0100.05716.36
5.4.00.0030.04315.99
5.3.290.0000.04014.70
5.3.280.0000.04014.74
5.3.270.0000.04314.75
5.3.260.0030.03714.63
5.3.250.0030.03714.60
5.3.240.0070.04014.60
5.3.230.0130.04014.48
5.3.220.0030.06014.62
5.3.210.0100.04014.63
5.3.200.0030.06314.59
5.3.190.0170.06014.57
5.3.180.0070.04714.71
5.3.170.0070.03714.60
5.3.160.0100.07314.59
5.3.150.0170.07014.71
5.3.140.0130.03714.70
5.3.130.0130.04014.70
5.3.120.0000.04714.56
5.3.110.0100.07714.56
5.3.100.0000.07714.08
5.3.90.0100.04014.05
5.3.80.0100.06313.98
5.3.70.0030.04314.07
5.3.60.0070.07314.15
5.3.50.0030.05714.02
5.3.40.0130.06713.98
5.3.30.0130.06313.85
5.3.20.0070.07013.73
5.3.10.0030.07013.71
5.3.00.0100.03713.66
5.2.170.0000.04311.30
5.2.160.0070.06011.16
5.2.150.0030.03710.98
5.2.140.0030.03311.04
5.2.130.0070.06010.93
5.2.120.0070.06010.93
5.2.110.0030.03711.18
5.2.100.0030.03011.07
5.2.90.0030.03310.95
5.2.80.0100.05711.02
5.2.70.0030.03311.02
5.2.60.0070.06011.20
5.2.50.0000.05310.95
5.2.40.0030.06311.15
5.2.30.0070.06010.82
5.2.20.0170.04710.85
5.2.10.0100.06711.01
5.2.00.0130.05310.72
5.1.60.0070.0539.90
5.1.50.0030.0439.97
5.1.40.0000.0379.95
5.1.30.0000.06010.41
5.1.20.0000.06310.36
5.1.10.0070.03710.00
5.1.00.0030.03010.09
5.0.50.0030.0278.45
5.0.40.0100.0408.45
5.0.30.0100.0378.26
5.0.20.0030.0438.26
5.0.10.0000.0478.23
5.0.00.0030.0438.30
4.4.90.0000.0408.20
4.4.80.0070.0308.20
4.4.70.0000.0378.20
4.4.60.0000.0408.20
4.4.50.0030.0378.20
4.4.40.0030.0538.20
4.4.30.0030.0308.20
4.4.20.0000.0308.20
4.4.10.0000.0378.20
4.4.00.0030.0278.20
4.3.110.0000.0408.20
4.3.100.0000.0178.20
4.3.90.0000.0308.20
4.3.80.0070.0508.20
4.3.70.0030.0278.20
4.3.60.0000.0208.20
4.3.50.0070.0138.20
4.3.40.0000.0578.20
4.3.30.0000.0378.20
4.3.20.0030.0338.20
4.3.10.0000.0338.20
4.3.00.0000.0308.20

preferences:
47.71 ms | 401 KiB | 5 Q