3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('franz', 'de leon', 'blah'); foreach ($a as $key => &$val) { if ($val === 'de leon') { unset($a[$key]); } $val .= 'shit'; } var_dump($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)
8.3.60.0100.01018.55
8.3.50.0080.01216.74
8.3.40.0040.01118.92
8.3.30.0110.00418.86
8.3.20.0110.00718.78
8.3.10.0120.00620.52
8.3.00.0100.00019.50
8.2.180.0160.00616.88
8.2.170.0040.01122.96
8.2.160.0120.00318.82
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0080.00019.36
8.2.110.0030.00622.27
8.2.100.0120.00017.75
8.2.90.0040.00419.25
8.2.80.0030.00717.97
8.2.70.0060.00317.49
8.2.60.0030.00718.03
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0090.00318.05
8.2.20.0000.00717.66
8.2.10.0040.00417.81
8.2.00.0040.00817.61
8.1.280.0030.01025.92
8.1.270.0080.00022.02
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00318.86
8.1.230.0090.00317.58
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0030.00617.25
8.1.190.0060.00317.63
8.1.180.0030.00518.10
8.1.170.0050.00318.89
8.1.160.0040.00418.80
8.1.150.0040.00418.63
8.1.140.0040.00417.38
8.1.130.0030.00317.77
8.1.120.0000.00717.34
8.1.110.0040.00417.45
8.1.100.0050.00217.38
8.1.90.0040.00417.34
8.1.80.0000.00717.36
8.1.70.0000.00717.39
8.1.60.0040.00417.47
8.1.50.0030.00617.48
8.1.40.0070.00017.51
8.1.30.0030.00617.61
8.1.20.0080.00017.66
8.1.10.0050.00217.51
8.1.00.0040.00417.41
8.0.300.0080.00018.77
8.0.290.0000.00716.75
8.0.280.0040.00418.31
8.0.270.0040.00417.16
8.0.260.0070.00018.54
8.0.250.0000.00716.84
8.0.240.0030.00516.96
8.0.230.0030.00316.96
8.0.220.0000.00716.75
8.0.210.0030.00316.90
8.0.200.0000.00616.93
8.0.190.0040.00416.87
8.0.180.0030.00616.93
8.0.170.0030.00616.91
8.0.160.0040.00416.82
8.0.150.0040.00416.81
8.0.140.0080.00316.86
8.0.130.0000.00613.24
8.0.120.0000.00716.80
8.0.110.0040.00416.68
8.0.100.0000.00716.68
8.0.90.0050.00216.91
8.0.80.0030.01116.82
8.0.70.0040.00416.95
8.0.60.0040.00416.73
8.0.50.0040.00416.80
8.0.30.0120.00617.17
8.0.20.0130.01217.18
8.0.10.0020.00516.89
8.0.00.0140.00816.86
7.4.330.0020.00214.79
7.4.320.0060.00016.39
7.4.300.0030.00316.40
7.4.290.0060.00016.41
7.4.280.0030.00516.62
7.4.270.0070.00016.45
7.4.260.0000.00613.26
7.4.250.0000.00916.46
7.4.240.0070.00016.55
7.4.230.0070.00016.68
7.4.220.0120.00916.50
7.4.210.0060.01016.51
7.4.200.0000.00716.57
7.4.190.0000.00816.59
7.4.160.0080.00816.49
7.4.150.0140.00417.18
7.4.140.0070.01117.15
7.4.130.0100.01316.46
7.4.120.0030.01416.51
7.4.110.0120.00916.54
7.4.100.0090.00916.52
7.4.90.0070.01016.53
7.4.80.0090.00618.80
7.4.70.0080.00816.60
7.4.60.0000.01816.34
7.4.50.0030.00516.59
7.4.40.0110.00422.27
7.4.30.0060.01516.61
7.4.00.0110.00414.78
7.3.330.0030.00313.10
7.3.320.0030.00313.04
7.3.310.0030.00316.33
7.3.300.0030.00316.23
7.3.290.0070.00716.43
7.3.280.0100.00616.37
7.3.270.0030.01317.18
7.3.260.0090.00718.24
7.3.250.0070.01116.33
7.3.240.0040.01316.43
7.3.230.0140.00516.42
7.3.210.0080.00916.45
7.3.200.0080.00819.39
7.3.190.0160.00016.36
7.3.180.0130.00316.35
7.3.170.0100.00716.27
7.3.160.0100.01016.36
7.3.120.0060.01314.96
7.3.110.0070.00714.58
7.3.100.0000.01415.07
7.3.90.0090.00014.81
7.3.80.0040.01115.18
7.3.70.0030.01414.94
7.3.60.0060.00914.74
7.3.50.0070.00614.54
7.3.40.0090.00914.52
7.3.30.0000.01514.73
7.3.20.0030.00616.65
7.3.10.0070.00716.68
7.3.00.0060.00316.75
7.2.330.0090.00916.63
7.2.320.0070.01016.61
7.2.310.0100.01016.73
7.2.300.0060.01116.66
7.2.290.0060.01116.80
7.2.250.0130.00714.88
7.2.240.0130.00315.00
7.2.230.0080.00815.13
7.2.220.0030.00615.07
7.2.210.0000.01514.95
7.2.200.0120.00615.07
7.2.190.0060.00615.07
7.2.180.0060.01015.10
7.2.170.0040.01514.88
7.2.80.0000.01316.45
7.2.60.0080.00416.92
7.2.00.0040.00819.37
7.1.330.0080.00515.75
7.1.320.0000.01015.78
7.1.310.0060.00315.82
7.1.300.0040.00815.85
7.1.290.0060.00915.89
7.1.280.0040.01215.81
7.1.270.0000.00815.71
7.1.260.0130.00315.91
7.1.200.0070.00015.55
7.1.100.0040.00717.73
7.1.70.0060.00317.33
7.1.60.0070.01419.40
7.1.50.0000.02116.77
7.1.00.0000.04022.47
7.0.200.0030.00516.71
7.0.140.0030.09022.18
7.0.60.0070.08019.97
7.0.50.0100.08017.89
7.0.40.0070.07317.79
7.0.30.0070.05017.76
7.0.20.0070.08717.77
7.0.10.0030.05317.68
7.0.00.0030.08717.73
5.6.280.0070.07021.10
5.6.210.0070.08020.76
5.6.200.0070.05718.16
5.6.190.0030.08718.17
5.6.180.0100.06718.13
5.6.170.0030.08318.22
5.6.160.0130.05018.12
5.6.150.0100.06018.18
5.6.140.0070.05318.08
5.6.130.0100.06318.21
5.6.120.0070.07018.11
5.6.110.0100.07318.11
5.6.100.0130.07018.11
5.6.90.0100.06018.14
5.6.80.0030.04317.53
5.6.70.0100.05317.47
5.6.60.0130.05717.50
5.6.50.0030.07717.55
5.6.40.0100.07017.47
5.6.30.0130.07317.58
5.6.20.0100.07717.55
5.6.10.0070.08017.46
5.6.00.0130.06017.56
5.5.350.4100.04020.52
5.5.340.0070.06317.98
5.5.330.0030.07317.93
5.5.320.0070.07717.98
5.5.310.0100.07317.95
5.5.300.0070.08018.00
5.5.290.0030.08317.95
5.5.280.0170.06017.92
5.5.270.0070.06017.88
5.5.260.0070.05718.01
5.5.250.0000.05717.76
5.5.240.0000.05017.37
5.5.230.0100.03717.33
5.5.220.0130.06317.32
5.5.210.0000.08017.29
5.5.200.0100.07017.34
5.5.190.0130.05017.31
5.5.180.0100.05317.30
5.5.160.0070.07717.33
5.5.150.0170.07017.31
5.5.140.0070.07317.31
5.5.130.0000.04017.36
5.5.120.0000.05017.36
5.5.110.0070.08317.32
5.5.100.0000.04017.17
5.5.90.0130.07017.20
5.5.80.0030.04017.23
5.5.70.0070.07717.12
5.5.60.0070.06317.15
5.5.50.0030.06717.22
5.5.40.0030.06017.23
5.5.30.0130.07017.16
5.5.20.0030.08017.09
5.5.10.0100.07317.19
5.5.00.0030.08017.24
5.4.450.0030.07719.22
5.4.440.0100.04719.31
5.4.430.0030.06719.27
5.4.420.0070.07019.31
5.4.410.0030.06319.02
5.4.400.0030.03719.02
5.4.390.0000.05718.83
5.4.380.0030.03719.09
5.4.370.0030.04719.01
5.4.360.0070.07719.01
5.4.350.0100.07019.07
5.4.340.0100.06019.21
5.4.320.0000.05719.24
5.4.310.0030.06318.84
5.4.300.0100.03318.99
5.4.290.0100.05318.98
5.4.280.0030.03719.09
5.4.270.0070.03318.98
5.4.260.0000.04019.01
5.4.250.0170.02718.94
5.4.240.0100.07018.98
5.4.230.0070.07319.03
5.4.220.0170.06319.12
5.4.210.0100.03319.11
5.4.200.0070.06318.82
5.4.190.0100.07319.20
5.4.180.0130.08019.00
5.4.170.0070.08019.20
5.4.160.0100.07018.96
5.4.150.0070.04719.07
5.4.140.0030.04316.32
5.4.130.0000.04316.25
5.4.120.0030.03316.13
5.4.110.0000.04016.28
5.4.100.0100.02716.52
5.4.90.0000.03716.28
5.4.80.0070.03016.24
5.4.70.0030.03316.51
5.4.60.0030.03316.31
5.4.50.0030.03316.21
5.4.40.0030.03316.20
5.4.30.0000.03716.33
5.4.20.0000.03716.24
5.4.10.0030.03316.14
5.4.00.0030.03315.77
5.3.290.0030.08714.66
5.3.280.0070.05014.56
5.3.270.0000.05714.39
5.3.260.0030.08014.57
5.3.250.0070.04014.54
5.3.240.0030.03714.57
5.3.230.0000.04014.53
5.3.220.0070.03314.64
5.3.210.0070.03314.48
5.3.200.0030.03714.52
5.3.190.0000.04014.64
5.3.180.0000.04014.39
5.3.170.0030.03714.47
5.3.160.0030.04014.49
5.3.150.0070.04714.53
5.3.140.0000.03714.52
5.3.130.0070.03314.50
5.3.120.0070.03314.34
5.3.110.0030.03714.51
5.3.100.0000.03713.95
5.3.90.0130.02713.96
5.3.80.0070.03713.98
5.3.70.0030.03313.93
5.3.60.0000.03713.93
5.3.50.0000.03713.91
5.3.40.0000.03713.72
5.3.30.0000.03713.99
5.3.20.0070.03713.63
5.3.10.0070.03013.50
5.3.00.0000.03713.39
5.2.170.0030.02710.97
5.2.160.0000.03011.13
5.2.150.0000.03011.11
5.2.140.0030.02710.97
5.2.130.0000.03011.25
5.2.120.0030.02711.08
5.2.110.0070.02311.13
5.2.100.0030.02711.10
5.2.90.0030.02710.99
5.2.80.0000.03010.91
5.2.70.0000.03311.07
5.2.60.0030.02711.08
5.2.50.0070.02310.97
5.2.40.0030.04010.83
5.2.30.0030.02710.93
5.2.20.0000.03010.96
5.2.10.0030.03010.80
5.2.00.0030.02710.75
5.1.60.0000.03310.13
5.1.50.0100.0309.97
5.1.40.0030.0379.99
5.1.30.0030.05710.33
5.1.20.0070.04710.37
5.1.10.0030.03710.04
5.1.00.0000.04010.07
5.0.50.0000.0478.58
5.0.40.0030.0338.44
5.0.30.0030.0508.20
5.0.20.0030.0178.26
5.0.10.0030.0338.11
5.0.00.0030.0408.14
4.4.90.0000.0137.75
4.4.80.0030.0137.75
4.4.70.0000.0237.75
4.4.60.0000.0137.75
4.4.50.0030.0137.75
4.4.40.0030.0577.75
4.4.30.0000.0377.75
4.4.20.0100.0177.75
4.4.10.0030.0337.75
4.4.00.0070.0477.75
4.3.110.0000.0407.75
4.3.100.0000.0177.75
4.3.90.0000.0177.75
4.3.80.0000.0377.75
4.3.70.0000.0277.75
4.3.60.0030.0137.75
4.3.50.0000.0337.75
4.3.40.0070.0437.75
4.3.30.0030.0237.75
4.3.20.0000.0237.75
4.3.10.0030.0177.75
4.3.00.0000.0177.75

preferences:
44.91 ms | 401 KiB | 5 Q