3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('ça', 'ne', 'marche', 'pas'); foreach($array as &$value) { unset($array); var_dump($value); }

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)
8.3.60.0090.00918.30
8.3.50.0070.01121.92
8.3.40.0180.00318.63
8.3.30.0110.01119.09
8.3.20.0040.00420.25
8.3.10.0070.00021.92
8.3.00.0040.00422.44
8.2.180.0040.01416.38
8.2.170.0040.01122.96
8.2.160.0070.01118.95
8.2.150.0000.00824.18
8.2.140.0020.00524.66
8.2.130.0090.00026.16
8.2.120.0080.00017.38
8.2.110.0030.00622.16
8.2.100.0060.00617.72
8.2.90.0000.00719.22
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0000.00817.93
8.2.50.0000.00918.07
8.2.40.0040.00418.13
8.2.30.0000.00717.96
8.2.20.0000.00717.57
8.2.10.0060.00317.79
8.2.00.0050.00317.72
8.1.280.0100.01025.92
8.1.270.0060.00322.01
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0110.00023.81
8.1.230.0030.00918.98
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0070.00417.35
8.1.190.0000.00817.40
8.1.180.0030.00618.10
8.1.170.0030.00618.59
8.1.160.0000.00821.96
8.1.150.0000.00818.64
8.1.140.0000.00717.37
8.1.130.0030.00317.83
8.1.120.0000.00717.47
8.1.110.0030.00517.51
8.1.100.0000.00717.38
8.1.90.0000.00717.45
8.1.80.0000.00717.48
8.1.70.0030.00317.41
8.1.60.0030.00917.61
8.1.50.0040.00417.43
8.1.40.0040.00417.51
8.1.30.0000.00817.53
8.1.20.0030.00517.55
8.1.10.0000.00817.54
8.1.00.0040.00417.49
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0040.00318.55
8.0.270.0080.00017.20
8.0.260.0050.00316.83
8.0.250.0030.00317.00
8.0.240.0050.00316.99
8.0.230.0040.00416.96
8.0.220.0000.00716.85
8.0.210.0030.00316.79
8.0.200.0030.00316.96
8.0.190.0030.00616.95
8.0.180.0050.00316.89
8.0.170.0040.00416.90
8.0.160.0050.00216.94
8.0.150.0000.00716.82
8.0.140.0050.00216.75
8.0.130.0000.00513.31
8.0.120.0000.00816.91
8.0.110.0000.00816.80
8.0.100.0060.00317.00
8.0.90.0070.00016.78
8.0.80.0060.01216.84
8.0.70.0070.00016.95
8.0.60.0000.00716.78
8.0.50.0000.00716.88
8.0.30.0140.00717.00
8.0.20.0100.00917.40
8.0.10.0030.00316.90
8.0.00.0150.00516.67
7.4.330.0000.00515.00
7.4.320.0000.00616.59
7.4.300.0000.00716.47
7.4.290.0030.00316.61
7.4.280.0030.00316.63
7.4.270.0000.00716.61
7.4.260.0070.00016.52
7.4.250.0000.00816.37
7.4.240.0040.00416.48
7.4.230.0040.00416.39
7.4.220.0070.01016.46
7.4.210.0060.00916.48
7.4.200.0030.00316.70
7.4.190.0030.00316.55
7.4.160.0060.00916.40
7.4.150.0070.01417.40
7.4.140.0120.00917.86
7.4.130.0100.00716.52
7.4.120.0080.01016.44
7.4.110.0050.01416.40
7.4.100.0170.00316.66
7.4.90.0060.01816.56
7.4.80.0070.01319.39
7.4.70.0120.00916.47
7.4.60.0100.00716.52
7.4.50.0000.00816.59
7.4.40.0120.00622.77
7.4.30.0060.00916.50
7.4.00.0000.01415.00
7.3.330.0000.00613.10
7.3.320.0020.00213.17
7.3.310.0040.00416.09
7.3.300.0030.00316.17
7.3.290.0000.01516.25
7.3.280.0080.00916.32
7.3.270.0040.01317.40
7.3.260.0170.00716.37
7.3.250.0130.00716.39
7.3.240.0130.00316.64
7.3.230.0030.01316.39
7.3.210.0080.01016.15
7.3.200.0080.01219.39
7.3.190.0150.00316.24
7.3.180.0080.01116.49
7.3.170.0110.00516.53
7.3.160.0120.00316.44
7.3.120.0070.00714.96
7.2.330.0060.01116.32
7.2.320.0110.01216.68
7.2.310.0030.01316.34
7.2.300.0100.01316.55
7.2.290.0070.01416.73
7.1.70.0030.00317.15
7.1.60.0110.01419.82
7.1.50.0170.00716.80
7.1.00.0170.06322.43
7.0.200.0090.00616.79
7.0.140.0000.07721.95
7.0.60.0200.06319.92
7.0.50.0070.08317.89
7.0.40.0000.05719.96
7.0.30.0530.07320.13
7.0.20.0370.08320.20
7.0.10.0100.08020.19
7.0.00.0070.04720.30
5.6.280.0000.07720.89
5.6.210.0070.08020.54
5.6.200.0130.06318.18
5.6.190.0000.06020.33
5.6.180.4230.04320.53
5.6.170.0200.06320.38
5.6.160.0130.08020.37
5.6.150.0130.04318.13
5.6.140.0070.05318.16
5.6.130.0030.04718.07
5.6.120.0070.08320.68
5.6.110.0100.08320.98
5.6.100.0070.08021.00
5.6.90.0030.04021.13
5.6.80.0100.05320.52
5.5.350.0170.07320.33
5.5.340.0070.08317.92
5.5.330.0130.06320.07
5.5.320.0270.04720.27
5.5.310.0330.07020.20
5.5.300.0100.08017.96
5.5.290.0030.04017.91
5.5.280.0070.05720.87
5.5.270.0030.04320.94
5.5.260.0000.05320.88
5.5.250.0100.07720.58
5.5.240.0130.08720.11
5.4.450.0070.07319.42
5.4.440.0030.07019.45
5.4.430.0030.06019.12
5.4.420.0000.05319.41
5.4.410.0030.06719.00
5.4.400.0100.06318.90
5.4.390.0000.04318.92
5.4.380.0000.04018.80
5.4.370.0030.03319.07
5.4.360.0070.03319.10
5.4.350.0030.03318.79
5.4.340.0100.04019.25
5.4.320.0000.03719.06
5.4.310.0000.03719.07
5.4.300.0000.03719.21
5.4.290.0030.03319.13
5.4.280.0030.03719.16
5.4.270.0000.03719.24
5.4.260.0000.03719.13
5.4.250.0000.04019.20
5.4.240.0000.03719.23
5.4.230.0030.03319.08
5.4.220.0030.03319.07
5.4.210.0030.03318.80
5.4.200.0000.03719.07
5.4.190.0070.03019.11
5.4.180.0000.03719.11
5.4.170.0030.03319.08
5.4.160.0030.03319.21
5.4.150.0030.03319.05
5.4.140.0000.03716.16
5.4.130.0030.03316.31
5.4.120.0030.03316.32
5.4.110.0030.03716.19
5.4.100.0000.07016.30
5.4.90.0000.06316.21
5.4.80.0030.04016.37
5.4.70.0000.05016.44
5.4.60.0030.04016.18
5.4.50.0070.07316.16
5.4.40.0030.06316.30
5.4.30.0070.07016.39
5.4.20.0030.06016.44
5.4.10.0000.05316.35
5.4.00.0030.04015.81
5.3.290.0030.04314.59
5.3.280.0000.04014.52
5.3.270.0030.03714.69
5.3.260.0030.03314.53
5.3.250.0000.03714.55
5.3.240.0000.04314.43
5.3.230.0000.04014.68
5.3.220.0070.03014.56
5.3.210.0000.03714.50
5.3.200.0070.07014.60
5.3.190.0000.07314.54
5.3.180.0000.04314.48
5.3.170.0100.03714.48
5.3.160.0000.04014.40
5.3.150.0030.03714.39
5.3.140.0030.07714.51
5.3.130.0000.07314.40
5.3.120.0030.05014.35
5.3.110.0030.04714.38
5.3.100.0030.04313.98
5.3.90.0070.06313.98
5.3.80.0000.04013.87
5.3.70.0000.04013.85
5.3.60.0000.03713.78
5.3.50.0000.03713.89
5.3.40.0070.03013.89
5.3.30.0100.03713.86
5.3.20.0000.03713.56
5.3.10.0030.03313.63
5.3.00.0100.02713.66
5.2.170.0000.03012.46
5.2.160.0030.02712.46
5.2.150.0030.02712.46
5.2.140.0000.04312.46
5.2.130.0000.03012.46
5.2.120.0030.03312.46
5.2.110.0070.02312.46
5.2.100.0070.03312.46
5.2.90.0030.04712.46
5.2.80.0000.03312.46
5.2.70.0070.03312.46
5.2.60.0000.03712.46
5.2.50.0000.03712.46
5.2.40.0030.04312.46
5.2.30.0000.03012.46
5.2.20.0000.02712.46
5.2.10.0100.04312.46
5.2.00.0030.05712.46
5.1.60.0030.05012.46
5.1.50.0030.03012.46
5.1.40.0000.02712.46
5.1.30.0030.04712.46
5.1.20.0030.04012.46
5.1.10.0030.03712.46
5.1.00.0070.03012.46
5.0.50.0030.02712.46
5.0.40.0000.04012.46
5.0.30.0030.06712.46
5.0.20.0100.01712.46
5.0.10.0100.03712.46
5.0.00.0030.05712.46
4.4.90.0000.01712.46
4.4.80.0030.01712.46
4.4.70.0070.02712.46
4.4.60.0000.03012.46
4.4.50.0030.01712.46
4.4.40.0000.05012.46
4.4.30.0000.01712.46
4.4.20.0070.02712.46
4.4.10.0030.01712.46
4.4.00.0030.05012.46
4.3.110.0000.03012.46
4.3.100.0000.01712.46
4.3.90.0030.03312.46
4.3.80.0000.02712.46
4.3.70.0070.02312.46
4.3.60.0030.02012.46
4.3.50.0070.01012.46
4.3.40.0000.02712.46
4.3.30.0000.04012.46
4.3.20.0000.03712.46
4.3.10.0000.02012.46
4.3.00.0030.01712.46

preferences:
42.18 ms | 401 KiB | 5 Q