3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3,4,5,6); foreach ($arr as $k => $v) { if ($k == 2) { unset($arr[$k]); } } var_dump($arr[2]);

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)
8.3.40.0060.00918.67
8.3.30.0040.01118.82
8.3.20.0050.00520.16
8.3.10.0020.00423.48
8.3.00.0040.00419.19
8.2.170.0100.00722.96
8.2.160.0030.01419.29
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0090.00021.12
8.2.110.0060.00321.06
8.2.100.0080.00317.84
8.2.90.0000.00817.87
8.2.80.0050.00318.91
8.2.70.0040.00417.93
8.2.60.0050.00318.22
8.2.50.0000.00818.10
8.2.40.0040.00421.23
8.2.30.0030.00619.35
8.2.20.0050.00517.86
8.2.10.0020.00518.02
8.2.00.0000.00717.79
8.1.270.0150.00019.05
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.55
8.1.230.0000.01117.89
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0090.00018.65
8.1.160.0000.00818.87
8.1.150.0080.00018.79
8.1.140.0030.00519.24
8.1.130.0030.00317.69
8.1.120.0050.00317.34
8.1.110.0040.00417.45
8.1.100.0070.00017.41
8.1.90.0000.00717.42
8.1.80.0000.00717.48
8.1.70.0000.00717.49
8.1.60.0000.00817.50
8.1.50.0050.00317.44
8.1.40.0040.00417.52
8.1.30.0000.00817.51
8.1.20.0040.00417.55
8.1.10.0050.00317.34
8.1.00.0030.00617.45
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.43
8.0.270.0030.00317.18
8.0.260.0050.00317.28
8.0.250.0070.00016.88
8.0.240.0080.00017.01
8.0.230.0070.00016.89
8.0.220.0030.00316.92
8.0.210.0030.00316.83
8.0.200.0060.00316.96
8.0.190.0030.00616.90
8.0.180.0040.00416.89
8.0.170.0070.00017.01
8.0.160.0040.00416.93
8.0.150.0030.00316.89
8.0.140.0000.00716.95
8.0.130.0060.00013.38
8.0.120.0040.00416.91
8.0.110.0000.00816.86
8.0.100.0040.00416.81
8.0.90.0000.00716.96
8.0.80.0180.00316.88
8.0.70.0040.00416.83
8.0.60.0080.00016.75
8.0.50.0070.00016.82
8.0.30.0080.01417.10
8.0.20.0110.01217.40
8.0.10.0000.00816.91
8.0.00.0090.00916.83
7.4.330.0050.00015.03
7.4.320.0000.00616.57
7.4.300.0000.00716.54
7.4.290.0030.00316.48
7.4.280.0000.00816.54
7.4.270.0070.00016.55
7.4.260.0030.00316.48
7.4.250.0040.00416.54
7.4.240.0040.00416.53
7.4.230.0030.00316.38
7.4.220.0090.00916.66
7.4.210.0100.01016.53
7.4.200.0000.00716.60
7.4.160.0090.00616.59
7.4.150.0090.00917.40
7.4.140.0060.01117.86
7.4.130.0110.01216.45
7.4.120.0120.00516.59
7.4.110.0120.00916.49
7.4.100.0090.00916.34
7.4.90.0070.01016.68
7.4.80.0130.01019.39
7.4.70.0130.01016.56
7.4.60.0080.01216.62
7.4.50.0040.00016.68
7.4.40.0030.01316.75
7.4.30.0170.00316.57
7.4.00.0030.01414.88
7.3.330.0030.00313.18
7.3.320.0000.00513.14
7.3.310.0000.00816.48
7.3.300.0070.00016.33
7.3.290.0100.00416.34
7.3.280.0110.00516.33
7.3.270.0040.01317.40
7.3.260.0070.01116.41
7.3.250.0120.00616.61
7.3.240.0120.00416.40
7.3.230.0070.01016.47
7.3.210.0070.01016.29
7.3.200.0120.00419.39
7.3.190.0110.00516.49
7.3.180.0100.01016.39
7.3.170.0060.01216.62
7.3.160.0130.00316.29
7.3.10.0100.00716.73
7.3.00.0000.01316.84
7.2.330.0120.00616.77
7.2.320.0080.00816.40
7.2.310.0140.00316.79
7.2.300.0090.00916.67
7.2.290.0030.01416.41
7.2.130.0100.00317.05
7.2.120.0070.00716.83
7.2.110.0040.00716.98
7.2.100.0080.00616.89
7.2.90.0060.00317.03
7.2.80.0040.00416.99
7.2.70.0030.01317.15
7.2.60.0040.01016.77
7.2.50.0100.00616.79
7.2.40.0110.00417.06
7.2.30.0070.00716.70
7.2.20.0030.01517.12
7.2.10.0000.01417.03
7.2.00.0060.00618.21
7.1.250.0050.00215.54
7.1.240.0070.00715.95
7.1.230.0000.01515.84
7.1.220.0000.00815.61
7.1.210.0100.00315.62
7.1.200.0010.01315.81
7.1.190.0000.01515.51
7.1.180.0030.00515.71
7.1.170.0070.00315.55
7.1.160.0030.00715.73
7.1.150.0040.00415.57
7.1.140.0000.01315.77
7.1.130.0030.00715.75
7.1.120.0000.01215.72
7.1.110.0060.00315.83
7.1.100.0030.00917.02
7.1.90.0060.00915.91
7.1.80.0090.00615.61
7.1.70.0040.00516.43
7.1.60.0090.00717.58
7.1.50.0120.01225.29
7.1.40.0090.00315.86
7.1.30.0110.00415.88
7.1.20.0070.00715.73
7.1.10.0060.00815.62
7.1.00.0030.04319.03
7.0.330.0000.01415.26
7.0.320.0030.01015.49
7.0.310.0000.01115.15
7.0.300.0000.01115.46
7.0.290.0000.01115.26
7.0.280.0060.00915.33
7.0.270.0070.00715.48
7.0.260.0000.01515.51
7.0.250.0070.00715.41
7.0.240.0060.01015.15
7.0.230.0060.00915.04
7.0.220.0130.00315.35
7.0.210.0030.01015.19
7.0.200.0060.00616.12
7.0.190.0070.00715.28
7.0.180.0070.00415.49
7.0.170.0000.01515.35
7.0.160.0060.00315.57
7.0.150.0030.01015.41
7.0.140.0030.02218.80
7.0.130.0060.00315.30
7.0.120.0060.00315.18
7.0.110.0090.00315.34
7.0.100.0000.01315.28
7.0.90.0110.00415.53
7.0.80.0140.00015.47
7.0.70.0000.01215.21
7.0.60.0050.02817.70
7.0.50.0000.03216.77
7.0.40.0050.04816.67
7.0.30.0110.02516.84
7.0.20.0170.04516.80
7.0.10.0070.04717.00
7.0.00.0070.04616.85
5.6.380.0060.00614.07
5.6.370.0000.00714.24
5.6.360.0060.00314.45
5.6.350.0100.00314.28
5.6.340.0030.00614.55
5.6.330.0060.00614.69
5.6.320.0130.00313.98
5.6.310.0060.00914.31
5.6.300.0030.01414.47
5.6.290.0040.00414.46
5.6.280.0070.03917.83
5.6.270.0060.00914.45
5.6.260.0100.00314.63
5.6.250.0000.01214.25
5.6.240.0040.01114.27
5.6.230.0070.00714.20
5.6.220.0130.00314.45
5.6.210.0100.03817.37
5.6.200.0030.02816.17
5.6.190.0040.04417.51
5.6.180.0200.04017.68
5.6.170.0130.02617.45
5.6.160.0060.04317.44
5.6.150.0070.03416.20
5.6.140.0080.02516.40
5.6.130.0020.03016.30
5.6.120.0050.04117.79
5.6.110.0030.04817.63
5.6.100.0100.04217.64
5.6.90.0070.03617.60
5.6.80.0050.04317.27
5.6.70.0060.00614.17
5.6.60.0120.00014.27
5.6.50.0000.01014.08
5.6.40.0110.00314.23
5.6.30.0030.01314.43
5.6.20.0070.00714.44
5.6.10.0000.01214.43
5.6.00.0060.00914.23
5.5.380.0040.00411.18
5.5.370.0030.00311.15
5.5.360.0060.00310.82
5.5.350.2180.02515.83
5.5.340.0080.03814.50
5.5.330.0050.02215.77
5.5.320.0150.03015.65
5.5.310.0170.04615.75
5.5.300.0030.03514.52
5.5.290.0070.04214.62
5.5.280.0050.03015.98
5.5.270.0100.03815.92
5.5.260.0100.04015.83
5.5.250.0020.03015.70
5.5.240.0040.02015.58
5.5.230.0030.00610.89
5.5.220.0040.00811.01
5.5.210.0040.00411.17
5.5.200.0050.00211.18
5.5.190.0030.00710.96
5.5.180.0040.00710.94
5.5.170.0000.00510.84
5.5.160.0030.00610.76
5.5.150.0060.00611.13
5.5.140.0000.00510.86
5.5.130.0000.00710.92
5.5.120.0000.01010.80
5.5.110.0050.00511.05
5.5.100.0030.00610.75
5.5.90.0000.01311.02
5.5.80.0000.00510.86
5.5.70.0000.01011.06
5.5.60.0000.01010.90
5.5.50.0080.00311.18
5.5.40.0030.00910.75
5.5.30.0040.00711.08
5.5.20.0030.00911.11
5.5.10.0000.00710.84
5.5.00.0040.00411.01
5.4.450.0110.03015.28
5.4.440.0150.03115.06
5.4.430.0050.03315.30
5.4.420.0130.02815.21
5.4.410.0130.03015.12
5.4.400.0070.02815.05
5.4.390.0130.02714.81
5.4.380.0130.02514.87
5.4.370.0150.02714.96
5.4.360.0050.03314.67
5.4.350.0070.03414.73
5.4.340.0150.02414.83
5.4.330.0070.00310.96
5.4.320.0100.03314.67
5.4.310.0080.02914.67
5.4.300.0100.03114.88
5.4.290.0110.02714.70
5.4.280.0120.02714.96
5.4.270.0140.02514.80
5.4.260.0050.03514.80
5.4.250.0130.02514.73
5.4.240.0120.03214.68
5.4.230.0110.02514.73
5.4.220.0110.02814.94
5.4.210.0050.03114.92
5.4.200.0180.02113.51
5.4.190.0120.02814.72
5.4.180.0100.02814.79
5.4.170.0100.03014.79
5.4.160.0090.03014.64
5.4.150.0050.03414.76
5.4.140.0180.02213.63
5.4.130.0150.03013.63
5.4.120.0100.02813.53
5.4.110.0080.02813.64
5.4.100.0070.03313.54
5.4.90.0130.02813.62
5.4.80.0150.02713.66
5.4.70.0120.02513.42
5.4.60.0100.02813.63
5.4.50.0070.03013.58
5.4.40.0080.03313.73
5.4.30.0140.02513.68
5.4.20.0120.02913.51
5.4.10.0160.02313.48
5.4.00.0100.02613.28
5.3.290.0070.03512.51
5.3.280.0140.03712.49
5.3.270.0180.03012.54
5.3.260.0070.03412.48
5.3.250.0080.02812.49
5.3.240.0100.02712.42
5.3.230.0080.02812.48
5.3.220.0070.03212.45
5.3.210.0070.03012.55
5.3.200.0030.03112.46
5.3.190.0030.03512.42
5.3.180.0140.02212.59
5.3.170.0100.02712.70
5.3.160.0100.03012.58
5.3.150.0120.02712.62
5.3.140.0140.02612.53
5.3.130.0130.02712.47
5.3.120.0080.03212.45
5.3.110.0120.02712.48
5.3.100.0060.03112.25
5.3.90.0110.02512.15
5.3.80.0130.02512.13
5.3.70.0070.03112.14
5.3.60.0080.03012.21
5.3.50.0130.02312.18
5.3.40.0120.03012.23
5.3.30.0150.03112.08
5.3.20.0060.03111.87
5.3.10.0130.03211.91
5.3.00.0080.03611.82
5.2.170.0030.02510.47
5.2.160.0080.02310.32
5.2.150.0080.02510.35
5.2.140.0100.02010.40
5.2.130.0070.02210.21
5.2.120.0020.02910.25
5.2.110.0100.01910.26
5.2.100.0070.02210.36
5.2.90.0070.02710.14
5.2.80.0070.02310.23
5.2.70.0050.02610.27
5.2.60.0050.03110.20
5.2.50.0110.02010.27
5.2.40.0050.02510.19
5.2.30.0080.02610.24
5.2.20.0050.0269.93
5.2.10.0060.0229.96
5.2.00.0030.02410.01
5.1.60.0030.0219.14
5.1.50.0050.0209.27
5.1.40.0060.0189.40
5.1.30.0050.0239.50
5.1.20.0080.0189.35
5.1.10.0110.0169.39
5.1.00.0080.0189.25
5.0.50.0060.0158.45
5.0.40.0050.0148.36
5.0.30.0050.0248.33
5.0.20.0030.0178.30
5.0.10.0050.0158.25
5.0.00.0050.0238.22
4.4.90.0070.0107.10
4.4.80.0050.0107.06
4.4.70.0030.0137.11
4.4.60.0030.0127.09
4.4.50.0050.0127.11
4.4.40.0020.0237.12
4.4.30.0010.0137.10
4.4.20.0030.0147.16
4.4.10.0020.0147.14
4.4.00.0050.0177.12
4.3.110.0050.0127.05
4.3.100.0020.0157.03
4.3.90.0040.0107.05
4.3.80.0030.0207.06
4.3.70.0070.0087.10
4.3.60.0030.0127.05
4.3.50.0050.0137.09
4.3.40.0020.0217.06
4.3.30.0020.0156.44
4.3.20.0030.0136.44
4.3.10.0030.0136.40
4.3.00.0020.0167.67

preferences:
52.79 ms | 400 KiB | 5 Q