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]); } } reset($arr); var_dump($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)
8.3.40.0090.00618.72
8.3.30.0080.00518.97
8.3.20.0000.00720.35
8.3.10.0060.00323.61
8.3.00.0000.00719.14
8.2.170.0050.01422.96
8.2.160.0070.00720.47
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.01126.16
8.2.120.0050.00520.97
8.2.110.0090.00020.45
8.2.100.0080.00417.91
8.2.90.0040.00417.75
8.2.80.0050.00318.86
8.2.70.0040.00417.93
8.2.60.0050.00318.16
8.2.50.0040.00418.10
8.2.40.0050.00321.05
8.2.30.0000.00719.25
8.2.20.0040.00417.68
8.2.10.0000.00718.10
8.2.00.0000.00817.82
8.1.270.0120.00318.91
8.1.260.0030.00526.35
8.1.250.0050.00228.09
8.1.240.0090.00023.90
8.1.230.0070.00420.99
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0000.01017.23
8.1.190.0050.00317.36
8.1.180.0040.00418.10
8.1.170.0060.00318.64
8.1.160.0040.00420.67
8.1.150.0050.00318.93
8.1.140.0080.00019.23
8.1.130.0000.00717.77
8.1.120.0030.00517.32
8.1.110.0090.00017.46
8.1.100.0030.00317.54
8.1.90.0000.00817.48
8.1.80.0070.00017.44
8.1.70.0070.00017.46
8.1.60.0000.00817.55
8.1.50.0040.00417.55
8.1.40.0040.00417.58
8.1.30.0040.00417.54
8.1.20.0040.00417.63
8.1.10.0070.00017.61
8.1.00.0040.00417.48
8.0.300.0030.00618.77
8.0.290.0070.00016.75
8.0.280.0000.00718.43
8.0.270.0000.00717.12
8.0.260.0000.00617.20
8.0.250.0000.00717.04
8.0.240.0070.00016.88
8.0.230.0000.00716.91
8.0.220.0030.00316.86
8.0.210.0030.00416.88
8.0.200.0030.00616.87
8.0.190.0060.00316.97
8.0.180.0070.00016.95
8.0.170.0040.00416.88
8.0.160.0050.00316.86
8.0.150.0000.00716.77
8.0.140.0000.00716.90
8.0.130.0050.00213.33
8.0.120.0000.00716.83
8.0.110.0030.00516.90
8.0.100.0030.00316.81
8.0.90.0070.00016.93
8.0.80.0150.00616.94
8.0.70.0080.00016.83
8.0.60.0040.00416.96
8.0.50.0000.00716.83
8.0.30.0080.01616.91
8.0.20.0050.01417.40
8.0.10.0040.00417.11
8.0.00.0110.00716.76
7.4.330.0000.00515.14
7.4.320.0050.00216.41
7.4.300.0070.00016.41
7.4.290.0070.00016.48
7.4.280.0030.00516.52
7.4.270.0000.00616.49
7.4.260.0030.00316.46
7.4.250.0000.00816.45
7.4.240.0070.00016.52
7.4.230.0000.00716.58
7.4.220.0090.01016.38
7.4.210.0040.01216.66
7.4.200.0020.00516.39
7.4.160.0130.00316.68
7.4.150.0090.00917.40
7.4.140.0110.00617.86
7.4.130.0080.00816.58
7.4.120.0090.00916.48
7.4.110.0090.00916.60
7.4.100.0080.01316.36
7.4.90.0100.00616.39
7.4.80.0140.00419.39
7.4.70.0060.01616.57
7.4.60.0030.01316.47
7.4.50.0050.00016.52
7.4.40.0040.01116.44
7.4.30.0170.00316.54
7.4.00.0040.01114.88
7.3.330.0020.00213.13
7.3.320.0050.00013.14
7.3.310.0070.00016.35
7.3.300.0000.00716.23
7.3.290.0100.00616.34
7.3.280.0110.00716.33
7.3.270.0110.00717.40
7.3.260.0110.00716.39
7.3.250.0110.00616.50
7.3.240.0100.00716.63
7.3.230.0130.00716.44
7.3.210.0130.00316.50
7.3.200.0110.00719.39
7.3.190.0040.01116.65
7.3.180.0030.01316.40
7.3.170.0130.00316.63
7.3.160.0060.01016.66
7.3.10.0040.00816.84
7.3.00.0110.00716.62
7.2.330.0100.00716.86
7.2.320.0040.01216.46
7.2.310.0100.00616.63
7.2.300.0130.00616.56
7.2.290.0070.01016.50
7.2.130.0110.00717.00
7.2.120.0070.00716.99
7.2.110.0070.00716.79
7.2.100.0070.00716.84
7.2.90.0080.00817.11
7.2.80.0040.00816.70
7.2.70.0100.00616.95
7.2.60.0080.00616.95
7.2.50.0040.00716.75
7.2.40.0070.00417.05
7.2.30.0110.00716.92
7.2.20.0040.00717.09
7.2.10.0070.01017.03
7.2.00.0070.01218.10
7.1.250.0040.00715.95
7.1.200.0040.00415.88
7.1.100.0090.00318.26
7.1.70.0030.00917.13
7.1.60.0070.01319.46
7.1.50.0070.02834.49
7.1.00.0070.07322.43
7.0.200.0030.00316.85
7.0.140.0000.05022.16
7.0.100.0100.07719.89
7.0.90.0030.07319.92
7.0.80.0030.06719.94
7.0.70.0030.08019.89
7.0.60.0070.08019.88
7.0.50.0170.06320.26
7.0.40.0130.06020.11
7.0.30.0170.06720.07
7.0.20.0100.08020.19
7.0.10.0130.06720.07
7.0.00.0030.08320.12
5.6.280.0100.07021.04
5.6.250.0130.08020.63
5.6.240.0100.04720.66
5.6.230.0170.07320.74
5.6.220.0130.07320.52
5.6.210.0100.07720.64
5.6.200.0230.06321.05
5.6.190.0100.05321.11
5.6.180.0170.07721.02
5.6.170.0130.07720.96
5.6.160.0070.06021.08
5.6.150.0130.04021.07
5.6.140.0070.05721.09
5.6.130.0130.08021.04
5.6.120.0130.08321.01
5.6.110.0030.07721.03
5.6.100.0070.09021.03
5.6.90.0100.08321.14
5.6.80.0200.06720.40
5.6.70.0030.08020.39
5.6.60.0070.05720.45
5.6.50.0130.04320.41
5.6.40.0130.06720.35
5.6.30.0100.08020.42
5.6.20.0070.06020.42
5.6.10.0100.07020.37
5.6.00.0100.07320.33
5.5.380.0030.04320.56
5.5.370.0070.07720.49
5.5.360.0030.08320.35
5.5.350.0070.05020.39
5.5.340.0030.09020.89
5.5.330.0100.05320.83
5.5.320.0100.04720.92
5.5.310.0070.08020.78
5.5.300.0100.07720.86
5.5.290.0030.05320.92
5.5.280.0130.08320.92
5.5.270.0130.04320.82
5.5.260.0030.04720.79
5.5.250.0030.08320.69
5.5.240.0100.04720.14
5.5.230.0100.04320.13
5.5.220.0100.07720.29
5.5.210.0070.04720.08
5.5.200.0100.08320.08
5.5.190.0070.08320.27
5.5.180.0000.05320.10
5.5.160.0070.07720.12
5.5.150.0070.07020.20
5.5.140.0030.06720.07
5.5.130.0070.07720.24
5.5.120.0070.07020.07
5.5.110.0170.06720.25
5.5.100.0070.08320.17
5.5.90.0130.06720.00
5.5.80.0030.07320.06
5.5.70.0130.07720.11
5.5.60.0130.03719.96
5.5.50.0070.04319.93
5.5.40.0070.04720.14
5.5.30.0070.07719.99
5.5.20.0070.07020.02
5.5.10.0100.07720.03
5.5.00.0100.08020.10
5.4.450.0030.08019.16
5.4.440.0030.08319.55
5.4.430.0130.06719.46
5.4.420.0130.08019.39
5.4.410.0070.08019.24
5.4.400.0070.08019.03
5.4.390.0130.06718.81
5.4.380.0070.03719.23
5.4.370.0070.07319.13
5.4.360.0130.07318.95
5.4.350.0070.07719.14
5.4.340.0000.07718.90
5.4.320.0030.08318.94
5.4.310.0100.06318.96
5.4.300.0070.07019.12
5.4.290.0100.06319.14
5.4.280.0030.07019.11
5.4.270.0070.07719.06
5.4.260.0030.07719.24
5.4.250.0100.07319.00
5.4.240.0100.07719.05
5.4.230.0130.07018.77
5.4.220.0070.08018.83
5.4.210.0070.06718.82
5.4.200.0100.07719.22
5.4.190.0100.07318.95
5.4.180.0100.07719.02
5.4.170.0070.07019.09
5.4.160.0070.07319.00
5.4.150.0030.04718.88
5.4.140.0070.07716.06
5.4.130.0070.03016.27
5.4.120.0030.05716.29
5.4.110.0130.06016.25
5.4.100.0130.06716.26
5.4.90.0100.03716.20
5.4.80.0070.07316.39
5.4.70.0100.06716.29
5.4.60.0070.06716.42
5.4.50.0030.04716.18
5.4.40.0130.06716.36
5.4.30.0000.04716.39
5.4.20.0130.07016.20
5.4.10.0070.03316.35
5.4.00.0100.06315.81
5.3.290.0000.06714.64
5.3.280.0100.07714.57
5.3.270.0100.05714.58
5.3.260.0130.07014.60
5.3.250.0070.04014.46
5.3.240.0070.07714.60
5.3.230.0070.06314.43
5.3.220.0070.05314.39
5.3.210.0070.07314.55
5.3.200.0000.04714.42
5.3.190.0130.07014.51
5.3.180.0070.07314.57
5.3.170.0100.07014.54
5.3.160.0100.03314.55
5.3.150.0000.08014.51
5.3.140.0030.08014.53
5.3.130.0170.06314.53
5.3.120.0130.07314.50
5.3.110.0100.07014.55
5.3.100.0000.07014.01
5.3.90.0200.06013.87
5.3.80.0070.08013.92
5.3.70.0070.06314.00
5.3.60.0070.07713.99
5.3.50.0030.05013.71
5.3.40.0030.04713.95
5.3.30.0070.03313.84
5.3.20.0100.02713.64
5.3.10.0030.03313.41
5.3.00.0030.03313.64
5.2.170.0030.04312.08
5.2.160.0070.03012.08
5.2.150.0030.03712.08
5.2.140.0070.03012.08
5.2.130.0100.04012.08
5.2.120.0030.03312.08
5.2.110.0000.03012.08
5.2.100.0000.03012.08
5.2.90.0000.03012.08
5.2.80.0000.03012.08
5.2.70.0000.03012.08
5.2.60.0030.05012.08
5.2.50.0070.02312.08
5.2.40.0030.05012.08
5.2.30.0030.02712.08
5.2.20.0030.04012.08
5.2.10.0030.02712.08
5.2.00.0030.02712.08
5.1.60.0000.02712.08
5.1.50.0030.02312.08
5.1.40.0030.02712.08
5.1.30.0100.04012.08
5.1.20.0000.03012.08
5.1.10.0030.02712.08
5.1.00.0070.02312.08
5.0.50.0030.01712.08
5.0.40.0000.02012.08
5.0.30.0030.03012.08
5.0.20.0000.02012.08
5.0.10.0070.01312.08
5.0.00.0070.03012.08
4.4.90.0000.01712.08
4.4.80.0030.01312.08
4.4.70.0000.01312.08
4.4.60.0030.01312.08
4.4.50.0030.02712.08
4.4.40.0000.02712.08
4.4.30.0000.02312.08
4.4.20.0000.01712.08
4.4.10.0000.02012.08
4.4.00.0000.02712.08
4.3.110.0000.02012.08
4.3.100.0030.02012.08
4.3.90.0030.03312.08
4.3.80.0030.02312.08
4.3.70.0000.01712.08
4.3.60.0000.02312.08
4.3.50.0000.02012.08
4.3.40.0000.03312.08
4.3.30.0000.01712.08
4.3.20.0000.01712.08
4.3.10.0000.01312.08
4.3.00.0000.01312.08

preferences:
44.22 ms | 400 KiB | 5 Q