3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = []; $var = 1; array_splice($arr, 0, 0, [&$var]); $cpy = &array_pop($arr); $var = 2; var_dump($cpy);

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)
8.3.40.0130.00318.75
8.3.30.0100.00318.89
8.3.20.0080.00020.25
8.3.10.0040.00421.93
8.3.00.0000.00817.93
8.2.170.0140.00022.96
8.2.160.0070.00720.39
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00021.01
8.2.110.0090.00020.32
8.2.100.0090.00319.82
8.2.90.0030.00619.26
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0090.00317.93
8.2.50.0040.00418.07
8.2.40.0000.00819.88
8.2.30.0040.00418.15
8.2.20.0000.00717.74
8.2.10.0040.00418.17
8.2.00.0000.00817.83
8.1.270.0040.00423.88
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0080.00023.84
8.1.230.0080.00318.97
8.1.220.0000.00817.77
8.1.210.0000.00818.77
8.1.200.0060.00317.25
8.1.190.0030.00516.98
8.1.180.0090.00018.10
8.1.170.0040.00418.68
8.1.160.0070.00022.00
8.1.150.0070.00018.79
8.1.140.0040.00417.37
8.1.130.0030.00317.73
8.1.120.0040.00417.45
8.1.110.0040.00417.34
8.1.100.0050.00217.50
8.1.90.0040.00417.50
8.1.80.0030.00517.44
8.1.70.0000.00717.36
8.1.60.0050.00217.61
8.1.50.0000.00817.50
8.1.40.0040.00417.47
8.1.30.0000.00817.55
8.1.20.0000.00817.58
8.1.10.0080.00017.38
8.1.00.0060.00317.51
8.0.300.0020.00518.77
8.0.290.0070.00016.88
8.0.280.0030.00318.36
8.0.270.0070.00017.27
8.0.260.0000.00617.25
8.0.250.0050.00217.09
8.0.240.0000.00717.08
8.0.230.0030.00316.88
8.0.220.0030.00316.84
8.0.210.0030.00316.95
8.0.200.0000.00916.86
8.0.190.0070.00017.05
8.0.180.0000.00717.00
8.0.170.0040.00416.95
8.0.160.0000.00716.95
8.0.150.0030.00317.01
8.0.140.0060.00316.82
8.0.130.0070.00013.30
8.0.120.0030.00516.95
8.0.110.0000.00816.93
8.0.100.0000.00916.99
8.0.90.0040.00416.95
8.0.80.0040.01116.90
8.0.70.0000.00716.93
8.0.60.0040.00417.00
8.0.50.0050.00216.94
8.0.30.0120.00817.05
8.0.20.0130.00817.40
8.0.10.0040.00417.03
8.0.00.0050.01316.62
7.4.330.0050.00015.06
7.4.320.0050.00316.61
7.4.300.0000.00716.51
7.4.290.0030.00316.47
7.4.280.0000.00716.51
7.4.270.0000.00816.50
7.4.260.0080.00016.44
7.4.250.0000.00716.46
7.4.240.0060.00116.59
7.4.230.0030.00316.31
7.4.220.0100.01616.61
7.4.210.0000.01416.70
7.4.200.0000.00716.55
7.4.160.0060.00916.48
7.4.150.0100.00717.40
7.4.140.0120.00717.86
7.4.130.0070.00916.52
7.4.120.0120.00816.43
7.4.110.0130.00916.45
7.4.100.0150.00316.62
7.4.90.0040.01516.54
7.4.80.0140.00719.39
7.4.70.0050.01316.72
7.4.60.0120.00416.50
7.4.50.0030.00516.56
7.4.40.0140.00616.55
7.4.30.0150.00416.63
7.4.00.0060.00614.68
7.3.330.0000.00513.16
7.3.320.0060.00012.99
7.3.310.0030.00316.31
7.3.300.0070.00016.17
7.3.290.0130.00316.30
7.3.280.0080.00716.26
7.3.270.0100.00617.40
7.3.260.0090.00916.34
7.3.250.0110.00616.30
7.3.240.0040.01516.30
7.3.230.0080.00816.39
7.3.210.0090.00616.32
7.3.200.0100.00719.39
7.3.190.0170.00016.52
7.3.180.0070.00716.39
7.3.170.0090.00616.31
7.3.160.0030.01216.27
7.3.120.0080.00814.73
7.2.330.0090.00916.28
7.2.320.0070.01016.22
7.2.310.0150.00316.40
7.2.300.0130.00316.66
7.2.290.0070.01016.15
7.2.60.0070.00716.70
7.2.00.0030.01019.14
7.1.200.0070.00715.84
7.1.100.0040.00717.98
7.1.70.0060.01017.31
7.1.60.0070.01719.70
7.1.50.0140.00717.08
7.1.00.0100.07022.45
7.0.200.0030.00616.77
7.0.140.0070.07322.20
7.0.60.0070.06019.94
7.0.50.0070.03717.68
7.0.40.0070.05720.02
7.0.30.0300.07320.30
7.0.20.0200.06020.33
7.0.10.0100.08320.00
7.0.00.0030.09020.19
5.6.280.0000.07721.04
5.6.210.0070.08720.70
5.6.200.0030.05718.13
5.6.190.0100.07320.33
5.6.180.3670.04320.39
5.6.170.0230.07320.52
5.6.160.0130.07720.49
5.6.150.0130.06718.15
5.6.140.0070.04318.18
5.6.130.0030.06318.21
5.6.120.0000.05021.09
5.6.110.0070.08720.96
5.6.100.0170.06721.00
5.6.90.0030.04320.99
5.6.80.0030.08720.53
5.6.70.4800.03020.39
5.5.350.0030.08720.37
5.5.340.0070.04017.93
5.5.330.0100.05320.25
5.5.320.0270.03320.24
5.5.310.0300.06320.34
5.5.300.0070.08017.91
5.5.290.0070.05718.00
5.5.280.0100.07320.76
5.5.270.0170.07320.88
5.5.260.0100.08020.71
5.5.250.0170.07320.69
5.5.240.0100.06320.26
5.4.450.0030.08019.46
5.4.440.1430.04719.45
5.4.430.0130.04319.20
5.4.420.0300.02319.40
5.4.410.0230.04319.08
5.4.400.0170.07718.81
5.4.390.0200.04318.78
5.4.380.0270.06018.93
5.4.370.0130.04019.10
5.4.360.0230.03318.92
5.4.350.0170.04718.94
5.4.340.0230.05718.89
5.4.320.0200.04319.13
5.4.310.0130.04719.13
5.4.300.0170.05018.91
5.4.290.0300.03718.93
5.4.280.0230.03319.07
5.4.270.0130.04019.13
5.4.260.0230.07319.24
5.4.250.0270.04319.09
5.4.240.0270.05319.05
5.4.230.0200.04319.24
5.4.220.0230.06318.88
5.4.210.0100.04719.08
5.4.200.0100.06019.21
5.4.190.0200.06019.10
5.4.180.0130.04319.12
5.4.170.0270.06719.22
5.4.160.0200.06319.14
5.4.150.0030.03719.06
5.4.140.0000.06316.45
5.4.130.0030.04316.32
5.4.120.1900.04316.16
5.4.110.1870.03316.47
5.4.100.1900.03016.41
5.4.90.0100.07716.46
5.4.80.0270.03716.41
5.4.70.1800.03716.44
5.4.60.2070.03716.20
5.4.50.2100.04016.39
5.4.40.1930.03016.23
5.4.30.1930.03016.20
5.4.20.0030.04316.47
5.4.10.0030.05016.38
5.4.00.0070.07015.65
5.3.290.0900.04014.57
5.3.280.1870.03714.64
5.3.270.1830.03714.55
5.3.260.1800.04314.54
5.3.250.1830.04014.55
5.3.240.1070.04714.61
5.3.230.0030.05314.43
5.3.220.0070.07714.40
5.3.210.0530.05014.52
5.3.200.2100.04314.41
5.3.190.0030.07014.53
5.3.180.0030.06314.66
5.3.170.0070.07314.44
5.3.160.1670.04314.58
5.3.150.0070.06714.55
5.3.140.0070.04014.50
5.3.130.0100.03714.45
5.3.120.1070.04014.59
5.3.110.1700.03714.42
5.3.100.0030.05013.99
5.3.90.0070.07014.12
5.3.80.0270.03713.86
5.3.70.1870.03313.88
5.3.60.0030.03713.78
5.3.50.0100.03713.79
5.3.40.0100.07013.72
5.3.30.0330.03013.76
5.3.20.0070.03013.48
5.3.10.0030.07013.67
5.3.00.1370.03713.51
5.2.170.1500.03710.99
5.2.160.1600.02310.99
5.2.150.1470.03311.19
5.2.140.1430.02710.98
5.2.130.1800.03011.18
5.2.120.1570.02311.01
5.2.110.1570.02311.16
5.2.100.1530.03310.95
5.2.90.1730.03311.04
5.2.80.1500.03711.03
5.2.70.1800.04310.95
5.2.60.1570.03311.09
5.2.50.1530.03010.95
5.2.40.1370.03711.00
5.2.30.1230.03010.82
5.2.20.1200.03310.86
5.2.10.1300.03010.75
5.2.00.1500.02710.79
5.1.60.1230.02310.07
5.1.50.1400.03310.08
5.1.40.1270.0239.92
5.1.30.1200.03010.45
5.1.20.1270.02710.51
5.1.10.1200.03010.11
5.1.00.1300.0209.96
5.0.50.0600.0238.65
5.0.40.0630.0178.65
5.0.30.0030.0308.65
5.0.20.0000.0208.65
5.0.10.0070.0378.65
5.0.00.0000.0308.65
4.4.90.0030.0378.65
4.4.80.0000.0308.65
4.4.70.0000.0308.65
4.4.60.0000.0238.65
4.4.50.0030.0208.65
4.4.40.0500.0278.65
4.4.30.0600.0178.65
4.4.20.0670.0138.65
4.4.10.0600.0178.65
4.4.00.0630.0238.65
4.3.110.0600.0178.65
4.3.100.0630.0178.65
4.3.90.0600.0178.65
4.3.80.0600.0278.65
4.3.70.0630.0138.65
4.3.60.0930.0178.65
4.3.50.0330.0178.65
4.3.40.0600.0238.65
4.3.30.0400.0178.65
4.3.20.0300.0178.65
4.3.10.0300.0208.65
4.3.00.0370.0108.65

preferences:
41.05 ms | 400 KiB | 5 Q