3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(3, 4); $b =& $a[0]; $c = $a; unset($b); $c[0] = 5; var_dump($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)
8.3.70.0070.01418.30
8.3.60.0170.00316.50
8.3.50.0130.00221.15
8.3.40.0070.01418.96
8.3.30.0180.00018.96
8.3.20.0040.00420.21
8.3.10.0080.00021.92
8.3.00.0040.00422.43
8.2.190.0150.00416.75
8.2.180.0070.01416.50
8.2.170.0120.00322.96
8.2.160.0110.00420.35
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0140.00326.16
8.2.120.0080.00019.77
8.2.110.0060.00321.18
8.2.100.0080.00417.72
8.2.90.0000.00819.21
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0040.00417.91
8.2.20.0070.00017.71
8.2.10.0040.00417.53
8.2.00.0050.00217.73
8.1.280.0100.00725.92
8.1.270.0040.00420.41
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0090.00022.06
8.1.230.0040.00818.96
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0060.00317.23
8.1.190.0050.00317.23
8.1.180.0060.00318.50
8.1.170.0030.00518.46
8.1.160.0000.00722.19
8.1.150.0040.00418.49
8.1.140.0000.00717.34
8.1.130.0030.00317.75
8.1.120.0030.00317.44
8.1.110.0040.00417.42
8.1.100.0050.00217.46
8.1.90.0030.00317.42
8.1.80.0070.00017.31
8.1.70.0000.00717.20
8.1.60.0080.00017.55
8.1.50.0040.00417.50
8.1.40.0030.00517.38
8.1.30.0040.00417.49
8.1.20.0040.00417.51
8.1.10.0040.00417.46
8.1.00.0040.00417.43
8.0.300.0050.00320.21
8.0.290.0040.00416.60
8.0.280.0000.00818.37
8.0.270.0070.00017.10
8.0.260.0030.00316.66
8.0.250.0060.00016.95
8.0.240.0030.00616.85
8.0.230.0070.00016.83
8.0.220.0050.00216.73
8.0.210.0030.00316.87
8.0.200.0080.00016.92
8.0.190.0000.00816.92
8.0.180.0000.00816.84
8.0.170.0000.00816.75
8.0.160.0030.00316.68
8.0.150.0090.00016.82
8.0.140.0000.00716.72
8.0.130.0000.00513.27
8.0.120.0050.00316.83
8.0.110.0000.00816.68
8.0.100.0040.00416.80
8.0.90.0030.00316.84
8.0.80.0130.00316.73
8.0.70.0000.00716.78
8.0.60.0070.00016.88
8.0.50.0040.00416.79
8.0.30.0060.01217.15
8.0.20.0100.00917.40
8.0.10.0050.00316.97
8.0.00.0090.00716.55
7.4.330.0050.00015.00
7.4.320.0030.00316.42
7.4.300.0030.00316.35
7.4.290.0030.00316.42
7.4.280.0000.00816.49
7.4.270.0000.00716.41
7.4.260.0000.00716.41
7.4.250.0030.00416.34
7.4.240.0020.00516.50
7.4.230.0080.00016.53
7.4.220.0030.01316.54
7.4.210.0100.00516.52
7.4.200.0000.00716.55
7.4.190.0030.00316.50
7.4.160.0090.01216.57
7.4.150.0150.00617.40
7.4.140.0060.01417.86
7.4.130.0070.01016.47
7.4.120.0080.01016.55
7.4.110.0120.00616.55
7.4.100.0120.00616.33
7.4.90.0030.01516.41
7.4.80.0090.00919.39
7.4.70.0160.00616.46
7.4.60.0100.00616.43
7.4.50.0000.00416.35
7.4.40.0130.00322.77
7.4.30.0110.00616.39
7.4.00.0020.01314.83
7.3.330.0030.00312.93
7.3.320.0060.00013.04
7.3.310.0000.00716.16
7.3.300.0000.00716.20
7.3.290.0060.00816.20
7.3.280.0050.01016.24
7.3.270.0180.00017.40
7.3.260.0140.00916.26
7.3.250.0090.01116.47
7.3.240.0030.01616.57
7.3.230.0000.01816.39
7.3.210.0110.00616.26
7.3.200.0100.01019.39
7.3.190.0090.01216.37
7.3.180.0120.00916.45
7.3.170.0070.01616.27
7.3.160.0080.00816.17
7.3.120.0060.01014.75
7.3.110.0070.01014.68
7.3.100.0030.01014.71
7.3.90.0080.00314.68
7.3.80.0090.00614.69
7.3.70.0120.00414.89
7.3.60.0000.01514.65
7.3.50.0060.00614.79
7.3.40.0070.00414.32
7.3.30.0060.00914.56
7.3.20.0070.00716.82
7.3.10.0060.00916.71
7.3.00.0060.01016.64
7.2.330.0130.00816.31
7.2.320.0060.01216.68
7.2.310.0120.00616.56
7.2.300.0060.01016.66
7.2.290.0100.00616.30
7.2.250.0120.00614.84
7.2.240.0060.01315.19
7.2.230.0070.00415.28
7.2.220.0070.00714.81
7.2.210.0060.01014.76
7.2.200.0030.00614.89
7.2.190.0040.01114.91
7.2.180.0040.00814.88
7.2.170.0030.00715.10
7.2.60.0070.00316.98
7.2.00.0000.00819.36
7.1.330.0070.00716.02
7.1.320.0070.00715.77
7.1.310.0030.00615.79
7.1.300.0070.00315.58
7.1.290.0000.00915.71
7.1.280.0000.00815.85
7.1.270.0070.00315.80
7.1.260.0100.00315.78
7.1.200.0090.00615.86
7.1.100.0320.0009.73
7.1.70.0030.00617.19
7.1.60.0090.00617.38
7.1.50.0120.00916.85
7.1.00.0100.05022.54
7.0.200.0060.00916.70
7.0.140.0070.07022.18
7.0.60.0070.06319.94
7.0.50.0030.05317.82
7.0.40.0130.04020.05
7.0.30.0200.08320.09
7.0.20.0370.03720.00
7.0.10.0130.05320.09
7.0.00.0030.08720.19
5.6.280.0030.07321.09
5.6.210.0100.07720.70
5.6.200.0100.08318.21
5.6.190.0100.08320.55
5.6.180.2830.03720.59
5.6.170.0270.04720.51
5.6.160.0070.08720.39
5.6.150.0070.08018.11
5.6.140.0070.04718.14
5.6.130.0030.04018.18
5.6.120.0130.07320.99
5.6.110.0070.04021.02
5.6.100.0000.04721.00
5.6.90.0070.07721.01
5.6.80.0100.07720.27
5.6.70.0130.08020.50
5.5.350.0170.08720.27
5.5.340.0070.06018.02
5.5.330.0000.04720.19
5.5.320.0170.04320.22
5.5.310.0170.03720.34
5.5.300.0070.03717.96
5.5.290.0170.07017.98
5.5.280.0000.05020.72
5.5.270.0070.06720.95
5.5.260.0130.08020.65
5.5.250.0070.07720.54
5.5.240.0100.07720.03
5.4.450.0670.06019.45
5.4.440.0570.06019.62
5.4.430.1700.05719.59
5.4.420.0370.06719.13
5.4.410.0070.07019.11
5.4.400.0730.06318.61
5.4.390.1170.05318.65
5.4.380.0330.04718.72
5.4.370.0200.04718.46
5.4.360.0070.06018.61
5.4.350.0090.03611.97
5.4.340.0070.03411.96
5.4.320.0110.03012.45
5.4.310.0040.04212.45
5.4.300.0090.03512.45
5.4.290.0090.04212.45
5.4.280.0040.03712.35
5.4.270.0080.03712.35
5.4.260.0050.04212.35
5.4.250.0070.05718.72
5.4.240.0130.05718.89
5.4.230.0100.05018.99
5.4.220.0100.06018.63
5.4.210.0070.06318.87
5.4.200.0130.04718.84
5.4.190.0130.06318.73
5.4.180.0100.04718.90
5.4.170.0070.05018.88
5.4.160.0170.04018.82
5.4.150.0130.07018.71
5.4.140.0070.04716.30
5.4.130.0000.05316.28
5.4.120.0100.04316.27
5.4.110.0070.05316.49
5.4.100.0070.04716.45
5.4.90.0070.06316.34
5.4.80.0030.05016.33
5.4.70.0030.05016.39
5.4.60.0030.05316.38
5.4.50.0030.05016.35
5.4.40.0070.05016.38
5.4.30.0170.04016.46
5.4.20.0200.03716.22
5.4.10.0070.04716.42
5.4.00.0100.04315.92
5.3.290.0080.04512.80
5.3.280.0030.07314.36
5.3.270.0030.05314.46
5.3.260.0100.04714.61
5.3.250.0100.05014.47
5.3.240.0070.05014.63
5.3.230.0170.04314.47
5.3.220.0070.05014.56
5.3.210.0030.06014.56
5.3.200.0030.05314.57
5.3.190.0100.04714.61
5.3.180.0030.05314.57
5.3.170.0030.05714.57
5.3.160.0100.05014.71
5.3.150.0100.05314.57
5.3.140.0170.04014.52
5.3.130.0070.05314.24
5.3.120.0070.05314.24
5.3.110.0200.04014.46
5.3.100.0100.06713.88
5.3.90.0100.04713.78
5.3.80.0030.05713.90
5.3.70.0030.06313.93
5.3.60.0100.06714.14
5.3.50.0070.04713.99
5.3.40.0070.06713.94
5.3.30.0030.06713.76
5.3.20.0070.04713.56
5.3.10.0130.04013.51
5.3.00.0130.04313.66
5.2.170.0070.05011.02
5.2.160.0100.05011.23
5.2.150.0030.04310.90
5.2.140.0070.04011.25
5.2.130.0070.03711.02
5.2.120.0130.03011.02
5.2.110.0070.03711.00
5.2.100.0030.04011.25
5.2.90.0000.04311.12
5.2.80.0070.04011.10
5.2.70.0030.04311.02
5.2.60.0000.04710.81
5.2.50.0100.03311.03
5.2.40.0070.03710.83
5.2.30.0000.05011.12
5.2.20.0070.03711.05
5.2.10.0130.03010.93
5.2.00.0070.04010.63
5.1.60.0000.04010.04
5.1.50.0130.0309.93
5.1.40.0030.0339.90
5.1.30.0030.03710.48
5.1.20.0000.04010.52
5.1.10.0170.03310.21
5.1.00.0070.04710.12
5.0.50.0030.0278.44
5.0.40.0070.0338.43
5.0.30.0070.0378.45
5.0.20.0000.0278.19
5.0.10.0030.0378.21
5.0.00.0070.0408.11
4.4.90.0070.0176.80
4.4.80.0100.0136.80
4.4.70.0070.0176.80
4.4.60.0070.0176.80
4.4.50.0030.0276.80
4.4.40.0000.0336.80
4.4.30.0070.0176.80
4.4.20.0030.0306.80
4.4.10.0000.0236.80
4.4.00.0070.0306.80
4.3.110.0000.0236.80
4.3.100.0000.0276.80
4.3.90.0070.0176.80
4.3.80.0030.0436.80
4.3.70.0000.0236.80
4.3.60.0000.0206.80
4.3.50.0000.0236.80
4.3.40.0030.0306.80
4.3.30.0030.0236.80
4.3.20.0000.0206.80
4.3.10.0000.0206.80
4.3.00.0030.0275.78

preferences:
40.5 ms | 401 KiB | 5 Q