3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('franz', 'de leon', 'blah'); foreach ($a as &$val) { if ($val === 'de leon') { unset($val); } } var_dump($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)
8.3.40.0040.01118.55
8.3.30.0070.00718.94
8.3.20.0070.00020.24
8.3.10.0000.00823.66
8.3.00.0000.00720.58
8.2.170.0060.00922.96
8.2.160.0080.00822.16
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00422.11
8.2.110.0060.00322.13
8.2.100.0080.00417.91
8.2.90.0030.00619.08
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0000.00919.45
8.2.30.0030.00517.93
8.2.20.0000.00817.67
8.2.10.0000.00819.46
8.2.00.0000.00717.72
8.1.270.0030.00623.96
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00523.88
8.1.230.0070.00319.04
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0050.00317.53
8.1.180.0050.00318.10
8.1.170.0060.00318.50
8.1.160.0050.00221.93
8.1.150.0000.00718.69
8.1.140.0070.00017.38
8.1.130.0070.00017.69
8.1.120.0000.00717.35
8.1.110.0000.00817.37
8.1.100.0050.00217.43
8.1.90.0070.00017.43
8.1.80.0030.00317.46
8.1.70.0000.00817.44
8.1.60.0030.00617.56
8.1.50.0050.00317.53
8.1.40.0050.00517.45
8.1.30.0040.00417.59
8.1.20.0040.00417.50
8.1.10.0000.00717.43
8.1.00.0050.00217.45
8.0.300.0070.00018.77
8.0.290.0040.00417.16
8.0.280.0030.00318.30
8.0.270.0030.00317.13
8.0.260.0000.00616.86
8.0.250.0040.00416.84
8.0.240.0000.00816.90
8.0.230.0080.00016.86
8.0.220.0070.00016.85
8.0.210.0000.00716.87
8.0.200.0030.00316.93
8.0.190.0080.00016.81
8.0.180.0050.00216.88
8.0.170.0080.00016.86
8.0.160.0050.00216.75
8.0.150.0050.00216.82
8.0.140.0040.00416.89
8.0.130.0000.00513.40
8.0.120.0050.00316.87
8.0.110.0040.00416.76
8.0.100.0060.00316.83
8.0.90.0040.00416.93
8.0.80.0060.01616.86
8.0.70.0000.00716.95
8.0.60.0000.00716.68
8.0.50.0030.00516.88
8.0.30.0090.01216.97
8.0.20.0170.00517.40
8.0.10.0020.00517.05
8.0.00.0090.01116.77
7.4.330.0000.00615.14
7.4.320.0000.00616.59
7.4.300.0000.00616.55
7.4.290.0000.00716.64
7.4.280.0030.00316.47
7.4.270.0040.00416.41
7.4.260.0030.00316.43
7.4.250.0040.00416.38
7.4.240.0030.00416.56
7.4.230.0030.00316.38
7.4.220.0100.00716.45
7.4.210.0080.00716.52
7.4.200.0000.00716.40
7.4.190.0050.00216.51
7.4.160.0120.00416.46
7.4.150.0110.01217.40
7.4.140.0090.01117.86
7.4.130.0070.01216.33
7.4.120.0070.01216.43
7.4.110.0060.01016.37
7.4.100.0090.00916.48
7.4.90.0170.00016.33
7.4.80.0110.00616.46
7.4.70.0080.00816.66
7.4.60.0060.01116.45
7.4.50.0030.00516.41
7.4.40.0000.01722.77
7.4.30.0070.01016.42
7.4.00.0000.01615.09
7.3.330.0000.00513.16
7.3.320.0000.00513.25
7.3.310.0040.00416.16
7.3.300.0030.00316.39
7.3.290.0090.00616.31
7.3.280.0100.00616.29
7.3.270.0140.00717.40
7.3.260.0070.01616.22
7.3.250.0110.00616.59
7.3.240.0030.01316.27
7.3.230.0100.01016.57
7.3.210.0130.00316.56
7.3.200.0120.00919.39
7.3.190.0160.00616.46
7.3.180.0090.00616.35
7.3.170.0090.00616.53
7.3.160.0070.01016.30
7.3.120.0110.00414.96
7.2.330.0070.01016.68
7.2.320.0110.00616.58
7.2.310.0090.00916.63
7.2.300.0100.00616.54
7.2.290.0060.01016.69
7.2.60.0090.00616.94
7.2.00.0030.01019.30
7.1.200.0110.00015.84
7.1.100.0070.00718.19
7.1.70.0030.00617.04
7.1.60.0090.01619.29
7.1.50.0070.01616.96
7.1.00.0000.08022.37
7.0.200.0060.00616.88
7.0.140.0100.06721.97
7.0.110.0600.07319.95
7.0.100.0470.04719.96
7.0.90.0500.08719.95
7.0.80.0500.06319.93
7.0.70.0530.06719.86
7.0.60.0470.08019.96
7.0.50.0470.08319.86
7.0.40.0070.06719.72
7.0.30.0000.08719.88
7.0.20.0030.05019.87
7.0.10.0070.07719.73
7.0.00.0000.08319.70
5.6.280.0100.06720.82
5.6.260.0030.06720.51
5.6.250.0130.05020.74
5.6.240.0030.06720.73
5.6.230.0070.05020.71
5.6.220.0070.08020.68
5.6.210.0030.08020.68
5.6.200.0130.06720.66
5.6.190.0070.08020.61
5.6.180.0000.07020.70
5.6.170.0070.07720.56
5.6.160.0130.06320.59
5.6.150.0100.07020.63
5.6.140.0070.07020.61
5.6.130.0100.07720.85
5.6.120.0100.08720.54
5.6.110.0170.07320.64
5.6.100.0130.06320.57
5.6.90.0130.08020.58
5.6.80.0200.06320.02
5.6.70.0170.07319.85
5.6.60.0100.07720.03
5.6.50.0100.06320.02
5.6.40.0100.07320.07
5.6.30.0070.04719.98
5.6.20.0070.08019.91
5.6.10.0030.08019.93
5.6.00.0030.07319.89
5.5.380.0070.06017.63
5.5.370.0000.08017.44
5.5.360.0070.08017.53
5.5.350.0070.08317.61
5.5.340.0000.08317.89
5.5.330.0100.07017.86
5.5.320.0170.05717.77
5.5.310.0030.08018.09
5.5.300.0070.08017.84
5.5.290.0000.07718.13
5.5.280.0170.07318.02
5.5.270.0130.07017.98
5.5.260.0030.08318.12
5.5.250.0030.07017.91
5.5.240.0100.07317.23
5.5.230.0030.08017.47
5.5.220.0130.07017.24
5.5.210.0070.04317.39
5.5.200.0230.05317.12
5.5.190.0070.04717.24
5.5.180.0070.04017.44
5.5.160.0070.06017.25
5.5.150.0130.06717.44
5.5.140.0170.06317.33
5.5.130.0070.07717.44
5.5.120.0070.03317.46
5.5.110.0100.07017.21
5.5.100.0000.07717.10
5.5.90.0070.05717.14
5.5.80.0070.03317.11
5.5.70.0000.04317.50
5.5.60.0030.03717.11
5.5.50.0000.04317.40
5.5.40.0000.08017.39
5.5.30.0070.04017.09
5.5.20.0130.07017.26
5.5.10.0070.05317.49
5.5.00.0130.06017.08
5.4.450.0100.05719.33
5.4.440.0030.08319.25
5.4.430.0100.07019.33
5.4.420.0170.06719.42
5.4.410.0030.08019.30
5.4.400.0070.07019.18
5.4.390.0170.07019.01
5.4.380.0030.08019.10
5.4.370.0130.07019.03
5.4.360.0000.06719.10
5.4.350.0100.05319.10
5.4.340.0070.04019.00
5.4.320.0070.08319.25
5.4.310.0100.05719.10
5.4.300.0070.06319.04
5.4.290.0100.07319.00
5.4.280.0000.08319.03
5.4.270.0100.06719.25
5.4.260.0070.07319.02
5.4.250.0000.08318.92
5.4.240.0070.06719.09
5.4.230.0100.07319.11
5.4.220.0000.06318.92
5.4.210.0070.07319.24
5.4.200.0070.07019.11
5.4.190.0030.07718.92
5.4.180.0030.07318.92
5.4.170.0200.05018.99
5.4.160.0130.05718.98
5.4.150.0030.04719.01
5.4.140.0030.07016.19
5.4.130.0070.04316.52
5.4.120.0030.06716.21
5.4.110.0070.06316.41
5.4.100.0070.07016.48
5.4.90.0070.07016.41
5.4.80.0070.06716.11
5.4.70.0030.07016.34
5.4.60.0070.05716.50
5.4.50.0030.06716.34
5.4.40.0070.04016.21
5.4.30.0070.04016.31
5.4.20.0100.06716.46
5.4.10.0130.05316.50
5.4.00.0070.05715.90
5.3.290.0200.06314.51
5.3.280.0070.07314.48
5.3.270.0100.06714.45
5.3.260.0030.07714.52
5.3.250.0100.04314.49
5.3.240.0030.07714.50
5.3.230.0000.04714.61
5.3.220.0100.05314.50
5.3.210.0130.07014.50
5.3.200.0030.07714.66
5.3.190.0100.06714.43
5.3.180.0000.08014.63
5.3.170.0130.07014.42
5.3.160.0100.04014.41
5.3.150.0100.07014.65
5.3.140.0100.05314.43
5.3.130.0100.07014.55
5.3.120.0130.07314.37
5.3.110.0030.08014.42
5.3.100.0170.06314.10
5.3.90.0130.06314.09
5.3.80.0100.07013.92
5.3.70.0070.07013.95
5.3.60.0100.07013.82
5.3.50.0070.07313.96
5.3.40.0000.08013.86
5.3.30.0100.06713.75
5.3.20.0030.05013.63
5.3.10.0100.06313.59
5.3.00.0130.06313.48
5.2.170.0070.06012.29
5.2.160.0030.04012.29
5.2.150.0100.06012.29
5.2.140.0070.06012.29
5.2.130.0030.06312.29
5.2.120.0070.06012.29
5.2.110.0130.05712.29
5.2.100.0100.05712.29
5.2.90.0070.06012.29
5.2.80.0000.06712.29
5.2.70.0070.06012.29
5.2.60.0100.05012.29
5.2.50.0070.05712.29
5.2.40.0070.03012.29
5.2.30.0070.05712.29
5.2.20.0000.04012.29
5.2.10.0070.06012.29
5.2.00.0070.05712.29
5.1.60.0030.05012.29
5.1.50.0000.05712.29
5.1.40.0000.05712.29
5.1.30.0070.05312.29
5.1.20.0000.05012.29
5.1.10.0030.06012.29
5.1.00.0000.05712.29
5.0.50.0030.04712.29
5.0.40.0000.04712.29
5.0.30.0070.06712.29
5.0.20.0030.04712.29
5.0.10.0000.04712.29
5.0.00.0000.05012.29
4.4.90.0000.03312.29
4.4.80.0000.03712.29
4.4.70.0030.03312.29
4.4.60.0000.03712.29
4.4.50.0000.03712.29
4.4.40.0000.03012.29
4.4.30.0030.03012.29
4.4.20.0000.02312.29
4.4.10.0030.03012.29
4.4.00.0070.05012.29
4.3.110.0030.03012.29
4.3.100.0030.03312.29
4.3.90.0070.02312.29
4.3.80.0030.02312.29
4.3.70.0030.03312.29
4.3.60.0000.03012.29
4.3.50.0000.03312.29
4.3.40.0000.03012.29
4.3.30.0070.01312.29
4.3.20.0000.03312.29
4.3.10.0000.02312.29
4.3.00.0030.03012.29

preferences:
36.96 ms | 400 KiB | 5 Q