3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('ça', 'ne', 'marche', 'pas'); foreach($array as $key => $value) { if ($key % 2 == 1) unset($array[++$key]); echo $value." "; } echo "\n"; $array = array('ça', 'ne', 'marche', 'pas'); foreach($array as $key => &$value) { if ($key % 2 == 1) unset($array[++$key]); echo $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)
8.3.60.0100.01018.56
8.3.50.0100.00722.10
8.3.40.0110.01118.85
8.3.30.0060.01119.09
8.3.20.0020.00520.19
8.3.10.0040.00421.89
8.3.00.0000.00722.58
8.2.180.0110.00416.75
8.2.170.0070.00722.96
8.2.160.0100.00720.29
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0110.01126.16
8.2.120.0030.00619.48
8.2.110.0030.00622.26
8.2.100.0030.01117.78
8.2.90.0040.00419.21
8.2.80.0080.00017.97
8.2.70.0090.00317.50
8.2.60.0000.00818.03
8.2.50.0070.00318.07
8.2.40.0000.00818.32
8.2.30.0050.00218.18
8.2.20.0030.00517.82
8.2.10.0060.00319.45
8.2.00.0070.00017.68
8.1.280.0140.00425.92
8.1.270.0050.00322.14
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00623.75
8.1.230.0110.00019.23
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0030.00517.54
8.1.180.0040.00418.10
8.1.170.0030.00518.52
8.1.160.0000.00722.02
8.1.150.0040.00418.66
8.1.140.0000.00717.36
8.1.130.0000.00717.82
8.1.120.0070.00017.38
8.1.110.0040.00417.36
8.1.100.0050.00217.36
8.1.90.0050.00217.40
8.1.80.0040.00317.45
8.1.70.0030.00317.44
8.1.60.0000.00817.56
8.1.50.0050.00217.55
8.1.40.0040.00417.48
8.1.30.0030.00617.65
8.1.20.0040.00417.65
8.1.10.0030.00617.48
8.1.00.0000.00717.32
8.0.300.0040.00418.77
8.0.290.0000.00817.05
8.0.280.0080.00018.46
8.0.270.0030.00317.27
8.0.260.0030.00716.64
8.0.250.0000.01016.97
8.0.240.0030.00316.92
8.0.230.0030.00316.93
8.0.220.0000.00716.94
8.0.210.0070.00016.91
8.0.200.0060.00016.88
8.0.190.0060.00316.84
8.0.180.0000.00716.88
8.0.170.0080.00016.81
8.0.160.0040.00416.80
8.0.150.0000.00716.80
8.0.140.0030.00316.75
8.0.130.0000.00613.36
8.0.120.0030.00616.92
8.0.110.0000.00816.89
8.0.100.0000.00716.82
8.0.90.0000.00716.71
8.0.80.0150.00616.90
8.0.70.0080.00016.79
8.0.60.0080.00016.67
8.0.50.0040.00416.94
8.0.30.0120.01217.24
8.0.20.0090.00917.40
8.0.10.0080.00016.89
8.0.00.0090.01216.82
7.4.330.0020.00215.00
7.4.320.0000.00716.52
7.4.300.0070.00016.49
7.4.290.0030.00516.50
7.4.280.0000.00816.50
7.4.270.0040.00416.46
7.4.260.0040.00416.46
7.4.250.0040.00416.48
7.4.240.0070.00016.46
7.4.230.0000.00716.50
7.4.220.0110.00616.54
7.4.210.0070.00716.62
7.4.200.0030.00316.61
7.4.190.0000.00716.67
7.4.160.0040.01116.51
7.4.150.0100.01117.40
7.4.140.0120.00717.86
7.4.130.0130.00616.41
7.4.120.0090.01016.54
7.4.110.0080.00916.48
7.4.100.0070.01016.69
7.4.90.0060.01116.31
7.4.80.0160.02019.39
7.4.70.0070.01016.41
7.4.60.0110.00816.33
7.4.50.0040.00416.24
7.4.40.0110.00322.77
7.4.30.0110.00516.51
7.4.00.0050.00914.82
7.3.330.0070.00013.18
7.3.320.0060.00013.14
7.3.310.0000.00816.23
7.3.300.0060.00016.26
7.3.290.0030.01016.23
7.3.280.0080.00616.24
7.3.270.0060.00917.40
7.3.260.0070.01016.57
7.3.250.0090.01016.46
7.3.240.0060.00916.27
7.3.230.0130.01316.54
7.3.210.0000.01516.48
7.3.200.0060.01119.39
7.3.190.0090.01016.52
7.3.180.0040.01116.33
7.3.170.0100.01216.48
7.3.160.0030.01216.57
7.3.120.0050.00914.78
7.3.110.0060.00815.12
7.3.100.0070.00715.06
7.3.90.0040.00714.89
7.3.80.0030.00915.11
7.3.70.0090.00314.63
7.3.60.0000.01514.86
7.3.50.0060.01214.90
7.3.40.0090.00314.62
7.3.30.0080.00314.65
7.3.20.0100.00016.87
7.3.10.0070.00816.83
7.3.00.0090.00616.53
7.2.330.0140.00316.52
7.2.320.0030.01516.67
7.2.310.0070.01116.69
7.2.300.0140.01016.52
7.2.290.0070.01116.45
7.2.250.0070.01015.20
7.2.240.0100.01014.93
7.2.230.0030.01215.01
7.2.220.0000.01515.27
7.2.210.0110.00415.24
7.2.200.0030.00615.16
7.2.190.0070.01015.17
7.2.180.0090.00914.71
7.2.170.0000.01114.97
7.2.130.0040.01516.82
7.2.120.0150.00616.91
7.2.110.0040.01216.93
7.2.100.0100.00516.89
7.2.90.0000.01816.89
7.2.80.0030.01016.98
7.2.70.0060.00617.01
7.2.60.0080.00817.01
7.2.50.0090.00616.86
7.2.40.0040.00416.83
7.2.30.0080.00516.86
7.2.20.0030.01016.98
7.2.10.0000.01017.02
7.2.00.0050.00918.06
7.1.330.0000.01115.72
7.1.320.0050.00515.82
7.1.310.0000.01815.48
7.1.300.0030.01315.57
7.1.290.0030.00915.65
7.1.280.0080.00415.84
7.1.270.0030.01015.80
7.1.260.0100.00615.83
7.1.250.0030.01015.71
7.1.200.0100.00315.68
7.1.100.0040.00717.88
7.1.70.0000.00816.97
7.1.60.0100.01419.82
7.1.50.0110.00816.86
7.1.00.0000.07722.33
7.0.200.0000.00716.44
7.0.140.0030.07022.09
7.0.60.0030.03021.73
7.0.50.0070.03322.13
7.0.40.0000.03320.06
7.0.30.0000.06020.00
7.0.20.0000.04320.10
7.0.10.0000.03320.07
7.0.00.0070.03319.99
5.6.280.0070.07020.90
5.6.210.0030.03720.54
5.6.200.0000.04320.97
5.6.190.0030.03721.10
5.6.180.0000.03321.13
5.6.170.0000.04321.00
5.6.160.0000.03320.96
5.6.150.0030.08021.02
5.6.140.0070.07721.14
5.6.130.0030.08320.89
5.6.120.0070.08320.88
5.6.110.0070.08321.01
5.6.100.0130.07721.13
5.6.90.0070.06720.93
5.6.80.0000.08020.28
5.6.70.0030.08020.39
5.6.60.0030.07720.49
5.6.50.0030.08720.38
5.6.40.0000.08020.37
5.6.30.0000.08320.36
5.6.20.0030.07020.34
5.6.10.0070.08020.34
5.6.00.0000.08020.30
5.5.350.0030.04020.38
5.5.340.0030.03720.65
5.5.330.0030.04020.77
5.5.320.0030.07020.88
5.5.310.0000.03320.88
5.5.300.0030.07320.80
5.5.290.0030.08320.77
5.5.280.0030.07320.73
5.5.270.0070.08020.76
5.5.260.0030.07720.65
5.5.250.0030.08720.68
5.5.240.0100.07320.18
5.5.230.0030.08020.22
5.5.220.0030.07720.35
5.5.210.0030.07720.34
5.5.200.0030.07720.33
5.5.190.0030.07320.22
5.5.180.0200.06320.24
5.5.160.0000.08720.03
5.5.150.0070.07020.25
5.5.140.0030.08020.22
5.5.130.0000.07320.22
5.5.120.0100.07019.98
5.5.110.0100.05720.32
5.5.100.0000.07720.05
5.5.90.0030.04020.04
5.5.80.0130.05320.01
5.5.70.0100.07719.96
5.5.60.0000.05020.03
5.5.50.0070.07020.03
5.5.40.0100.05720.18
5.5.30.0030.07319.88
5.5.20.0000.08020.02
5.5.10.0030.06320.06
5.5.00.0030.08020.00
5.4.450.0130.07319.23
5.4.440.0100.07319.27
5.4.430.0070.07019.48
5.4.420.0000.07319.25
5.4.410.0070.07319.19
5.4.400.0030.07018.93
5.4.390.0030.08318.95
5.4.380.0130.06718.84
5.4.370.0070.07318.85
5.4.360.0070.07719.01
5.4.350.0000.08319.15
5.4.340.0100.07319.15
5.4.320.0030.07718.98
5.4.310.0030.07319.01
5.4.300.0070.07018.84
5.4.290.0130.05319.01
5.4.280.0070.07018.92
5.4.270.0070.06719.00
5.4.260.0000.07719.01
5.4.250.0030.03719.09
5.4.240.0030.07318.84
5.4.230.0030.07319.20
5.4.220.0030.06319.20
5.4.210.0100.07318.98
5.4.200.0030.06719.15
5.4.190.0100.04719.09
5.4.180.0070.07019.16
5.4.170.0030.05718.96
5.4.160.0030.08018.96
5.4.150.0000.07018.98
5.4.140.0030.06316.27
5.4.130.0100.06316.28
5.4.120.0100.06316.32
5.4.110.0030.04016.21
5.4.100.0070.06716.46
5.4.90.0030.07016.25
5.4.80.0100.06716.30
5.4.70.0070.07316.37
5.4.60.0030.07016.24
5.4.50.0100.06016.45
5.4.40.0030.07316.37
5.4.30.0170.05316.18
5.4.20.0030.06716.38
5.4.10.0030.06716.18
5.4.00.0100.06015.84
5.3.290.0030.07314.48
5.3.280.0070.07014.57
5.3.270.0000.05014.55
5.3.260.0000.08714.45
5.3.250.0000.07314.45
5.3.240.0000.07714.53
5.3.230.0030.07014.53
5.3.220.0030.06314.49
5.3.210.0070.06714.53
5.3.200.0070.05014.55
5.3.190.0030.07714.50
5.3.180.0070.06314.48
5.3.170.0030.08014.54
5.3.160.0000.07314.54
5.3.150.0100.06714.46
5.3.140.0070.06714.38
5.3.130.0070.07014.53
5.3.120.0030.07314.53
5.3.110.0070.07314.36
5.3.100.0030.07013.96
5.3.90.0030.07013.94
5.3.80.0070.06013.96
5.3.70.0000.07313.99
5.3.60.0030.07013.79
5.3.50.0070.06713.87
5.3.40.0000.08313.88
5.3.30.0000.06713.80
5.3.20.0000.06713.58
5.3.10.0070.06313.63
5.3.00.0000.06713.39
5.2.170.0100.06011.13
5.2.160.0000.06311.05
5.2.150.0100.05311.19
5.2.140.0030.05711.16
5.2.130.0000.05011.08
5.2.120.0100.04011.13
5.2.110.0000.06310.92
5.2.100.0070.06011.02
5.2.90.0030.06011.11
5.2.80.0000.05710.89
5.2.70.0000.05711.07
5.2.60.0100.05311.07
5.2.50.0030.05311.02
5.2.40.0100.05310.92
5.2.30.0000.07710.98
5.2.20.0030.06010.94
5.2.10.0000.05010.83
5.2.00.0070.06010.71
5.1.60.0030.04010.44
5.1.50.0070.04710.44
5.1.40.0000.04710.44
5.1.30.0000.06010.44
5.1.20.0030.04710.44
5.1.10.0070.05010.44
5.1.00.0070.04710.44
5.0.50.0030.04010.44
5.0.40.0000.04310.44
5.0.30.0000.06010.44
5.0.20.0000.04310.44
5.0.10.0030.04710.44
5.0.00.0030.06310.44
4.4.90.0000.03710.44
4.4.80.0030.03310.44
4.4.70.0000.03710.44
4.4.60.0030.03310.44
4.4.50.0000.03710.44
4.4.40.0070.05710.44
4.4.30.0030.02010.44
4.4.20.0030.03310.44
4.4.10.0000.03710.44
4.4.00.0000.05710.44
4.3.110.0000.03710.44
4.3.100.0070.03010.44
4.3.90.0000.03710.44
4.3.80.0000.05710.44
4.3.70.0070.02310.44
4.3.60.0000.03310.44
4.3.50.0000.03310.44
4.3.40.0000.03710.44
4.3.30.0000.03310.44
4.3.20.0030.03310.44
4.3.10.0000.03310.44
4.3.00.0000.03310.44

preferences:
54.55 ms | 400 KiB | 5 Q