3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3,null,4,null,5); if (($key = array_search(null, $a)) !== false) { unset($a[$key]); } print_r($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)
8.3.40.0040.01118.79
8.3.30.0070.00719.07
8.3.20.0000.00720.34
8.3.10.0140.00421.73
8.3.00.0000.00820.87
8.2.170.0070.00722.96
8.2.160.0070.00719.38
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0030.00717.80
8.2.110.0040.00422.07
8.2.100.0080.00417.84
8.2.90.0040.00419.17
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0000.00717.80
8.2.50.0060.00318.07
8.2.40.0040.00419.94
8.2.30.0040.00417.93
8.2.20.0020.00517.68
8.2.10.0040.00418.07
8.2.00.0040.00417.67
8.1.270.0090.00018.95
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0000.00823.96
8.1.230.0110.00019.10
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0070.00417.35
8.1.190.0000.00717.23
8.1.180.0050.00318.10
8.1.170.0060.00318.46
8.1.160.0050.00222.01
8.1.150.0040.00418.73
8.1.140.0040.00419.18
8.1.130.0000.00717.86
8.1.120.0000.00717.30
8.1.110.0000.00817.37
8.1.100.0030.00617.26
8.1.90.0050.00217.27
8.1.80.0040.00417.32
8.1.70.0000.00817.43
8.1.60.0000.00917.51
8.1.50.0040.00417.46
8.1.40.0050.00217.46
8.1.30.0040.00417.55
8.1.20.0070.00017.53
8.1.10.0060.00317.35
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0030.00318.36
8.0.270.0040.00417.27
8.0.260.0050.00217.19
8.0.250.0000.00716.98
8.0.240.0030.00316.85
8.0.230.0000.00716.88
8.0.220.0070.00016.87
8.0.210.0000.00716.73
8.0.200.0080.00016.85
8.0.190.0000.00716.91
8.0.180.0040.00416.85
8.0.170.0000.00716.86
8.0.160.0000.00716.83
8.0.150.0000.00716.65
8.0.140.0080.00016.80
8.0.130.0030.00313.21
8.0.120.0030.00516.84
8.0.110.0050.00316.72
8.0.100.0050.00316.79
8.0.90.0030.00316.69
8.0.80.0100.00716.75
8.0.70.0040.00416.86
8.0.60.0000.00716.79
8.0.50.0040.00416.69
8.0.30.0130.01417.12
8.0.20.0110.00817.40
8.0.10.0000.00717.00
8.0.00.0100.01016.55
7.4.330.0000.00515.03
7.4.320.0000.00716.57
7.4.300.0030.00316.50
7.4.290.0030.00316.60
7.4.280.0050.00516.42
7.4.270.0030.00316.60
7.4.260.0030.00316.54
7.4.250.0000.00716.60
7.4.240.0040.00316.55
7.4.230.0030.00316.62
7.4.220.0070.01116.43
7.4.210.0120.00316.61
7.4.200.0040.00416.63
7.4.160.0150.00616.57
7.4.150.0060.01217.40
7.4.140.0060.01117.86
7.4.130.0100.00716.49
7.4.120.0080.00816.61
7.4.110.0040.01416.53
7.4.100.0100.00716.61
7.4.90.0080.00816.28
7.4.80.0110.01519.39
7.4.70.0090.01216.64
7.4.60.0030.01316.40
7.4.50.0040.00416.30
7.4.40.0190.00416.44
7.4.30.0120.00916.47
7.4.00.0060.00915.11
7.3.330.0030.00313.21
7.3.320.0030.00312.99
7.3.310.0030.00516.16
7.3.300.0040.00416.24
7.3.290.0100.00716.23
7.3.280.0100.00916.32
7.3.270.0090.00917.40
7.3.260.0030.01416.35
7.3.250.0110.00616.33
7.3.240.0090.01016.42
7.3.230.0170.00516.39
7.3.210.0100.00616.36
7.3.200.0140.00319.39
7.3.190.0040.01616.50
7.3.180.0090.00616.39
7.3.170.0070.01416.27
7.3.160.0060.00916.33
7.3.120.0130.00314.79
7.3.110.0030.01014.39
7.3.100.0070.01014.57
7.3.90.0000.01014.77
7.3.80.0110.00014.85
7.3.70.0000.01414.70
7.3.60.0030.00814.49
7.3.50.0080.00814.66
7.3.40.0000.01014.80
7.3.30.0100.00714.65
7.3.20.0070.01016.56
7.3.10.0070.00416.61
7.3.00.0030.01016.52
7.2.330.0060.01016.61
7.2.320.0100.01016.31
7.2.310.0070.01016.38
7.2.300.0140.00916.53
7.2.290.0100.00716.75
7.2.240.0030.00914.78
7.2.230.0100.00714.61
7.2.220.0100.00715.01
7.2.210.0070.01015.05
7.2.200.0110.00014.92
7.2.190.0070.00714.96
7.2.180.0000.01314.84
7.2.170.0040.01214.64
7.2.160.0100.00715.04
7.2.150.0120.00316.72
7.2.140.0100.00316.85
7.2.130.0030.00816.75
7.2.120.0060.00616.90
7.2.110.0000.01016.63
7.2.100.0000.01416.50
7.2.90.0090.00916.90
7.2.80.0030.00716.69
7.2.70.0070.00716.87
7.2.60.0040.00816.86
7.2.50.0070.01316.77
7.2.40.0100.00316.97
7.2.30.0090.00716.60
7.2.20.0090.00416.80
7.2.10.0060.01016.51
7.2.00.0070.00918.10
7.1.330.0120.00315.52
7.1.320.0090.00615.57
7.1.310.0060.00615.87
7.1.300.0040.00815.69
7.1.290.0090.00615.64
7.1.280.0060.00615.52
7.1.270.0070.00315.66
7.1.260.0000.01415.71
7.1.250.0070.01015.73
7.1.100.0000.01118.30
7.1.70.0000.00716.86
7.1.60.0060.01319.46
7.1.50.0030.00916.95
7.1.00.0070.07322.44
7.0.200.0000.00816.60
7.0.140.0030.05722.09
7.0.60.0030.08319.87
7.0.50.0030.08317.94
7.0.40.0100.06719.97
7.0.30.0070.05020.17
7.0.20.0270.03020.07
7.0.10.0100.04720.20
7.0.00.0030.09020.05
5.6.280.0070.06720.86
5.6.210.0130.06720.75
5.6.200.0030.06318.23
5.6.190.0100.03720.41
5.6.180.0530.07720.73
5.6.170.0430.08020.45
5.6.160.0000.04720.48
5.6.150.0070.08018.23
5.6.140.0070.08318.20
5.6.130.0030.04318.25
5.6.120.0070.08721.11
5.6.110.0100.06720.97
5.6.100.0070.09021.00
5.6.90.0100.06320.99
5.6.80.0070.07720.38
5.5.350.0170.03320.33
5.5.340.0100.07718.03
5.5.330.0070.04020.40
5.5.320.0270.06720.37
5.5.310.0400.07320.29
5.5.300.0000.04017.96
5.5.290.0070.08018.06
5.5.280.0100.04720.79
5.5.270.0070.08320.86
5.5.260.0130.07320.88
5.5.250.0030.04720.66
5.5.240.0300.06020.27
5.4.450.0570.07019.20
5.4.440.0200.05719.47
5.4.430.0100.06019.52
5.4.420.0170.04719.39
5.4.410.0000.06319.31
5.4.400.0100.05719.27
5.4.390.0230.04718.46
5.4.380.0230.05018.77
5.4.370.0230.05018.50
5.4.360.0270.04318.75
5.4.350.0230.05018.48
5.4.340.0170.05318.56
5.4.320.0200.05018.45
5.4.310.0100.06318.58
5.4.300.0130.05718.52
5.4.290.0070.06018.71
5.4.280.0170.05318.60
5.4.270.0200.05318.57
5.4.260.0270.04318.62
5.4.250.0200.05318.68
5.4.240.0230.05018.62
5.4.230.0170.05318.77
5.4.220.0300.04318.82
5.4.210.0200.05018.47
5.4.200.0230.04716.51
5.4.190.0300.04018.78
5.4.180.0230.05018.50
5.4.170.0200.05318.44
5.4.160.0230.05018.53
5.4.150.0300.04718.75
5.4.140.0100.06016.28
5.4.130.0170.05016.23
5.4.120.0130.06016.17
5.4.110.0230.04716.18
5.4.100.0200.05016.28
5.4.90.0200.05016.16
5.4.80.0170.05316.43
5.4.70.0170.07716.25
5.4.60.0100.06016.23
5.4.50.0270.04316.29
5.4.40.0230.04716.40
5.4.30.0230.04316.28
5.4.20.0230.06716.13
5.4.10.0330.05716.14
5.4.00.0330.04715.89
5.3.290.0270.04314.84
5.3.280.0170.05314.64
5.3.270.0270.06014.82
5.3.260.0270.05314.70
5.3.250.0230.04714.62
5.3.240.0230.04714.73
5.3.230.0100.06714.77
5.3.220.0200.05714.59
5.3.210.0370.05014.61
5.3.200.0330.05714.68
5.3.190.0230.06314.68
5.3.180.0200.06714.56
5.3.170.0430.05314.55
5.3.160.0300.06714.65
5.3.150.0300.06314.62
5.3.140.0200.07314.59
5.3.130.0270.07014.58
5.3.120.0130.07314.59
5.3.110.0200.06314.64
5.3.100.0170.06314.01
5.3.90.0230.06014.05
5.3.80.0130.06714.00
5.3.70.0230.05014.08
5.3.60.0270.05014.12
5.3.50.0330.05013.96
5.3.40.0270.05314.14
5.3.30.0170.06714.02
5.3.20.0230.05313.73
5.3.10.0230.05713.63
5.3.00.0230.07013.64
5.2.170.0170.05711.12
5.2.160.0130.05311.20
5.2.150.0130.04711.20
5.2.140.0170.04311.19
5.2.130.0200.03311.22
5.2.120.0170.04311.21
5.2.110.0130.04711.20
5.2.100.0170.05011.14
5.2.90.0230.04011.10
5.2.80.0200.04011.20
5.2.70.0270.03311.07
5.2.60.0030.06011.03
5.2.50.0200.05710.99
5.2.40.0230.03311.03
5.2.30.0130.05711.02
5.2.20.0200.04310.97
5.2.10.0170.03710.89
5.2.00.0230.03310.75
5.1.60.0070.0409.97
5.1.50.0170.03710.01
5.1.40.0200.03710.04
5.1.30.0130.04010.34
5.1.20.0100.04310.43
5.1.10.0230.04710.26
5.1.00.0270.03710.19
5.0.50.0170.0408.73
5.0.40.0130.0308.42
5.0.30.0100.0438.26
5.0.20.0230.0178.39
5.0.10.0100.0378.35
5.0.00.0170.0508.19
4.4.90.0030.0235.94
4.4.80.0070.0235.93
4.4.70.0100.0205.90
4.4.60.0100.0235.91
4.4.50.0030.0305.95
4.4.40.0030.0475.87
4.4.30.0070.0235.89
4.4.20.0030.0275.91
4.4.10.0070.0235.88
4.4.00.0070.0335.90
4.3.110.0030.0275.83
4.3.100.0070.0205.80
4.3.90.0030.0275.80
4.3.80.0070.0375.78
4.3.70.0030.0235.79
4.3.60.0130.0205.84
4.3.50.0070.0305.79
4.3.40.0070.0335.88
4.3.30.0070.0204.71
4.3.20.0030.0234.71
4.3.10.0000.0274.71
4.3.00.0130.0206.81

preferences:
42.62 ms | 400 KiB | 5 Q