3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3,4,5,6,7,8,9); foreach($arr as $key=>$value) { var_dump($arr); unset($arr[$key + 1]); echo $value . "\n"; echo "key=" . $key . ", value=" . $value . ", key+1=" . ($key+1) . "\n\n"; var_dump($arr); } echo("last:"); var_dump($arr);

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)
8.3.60.0090.00618.43
8.3.50.0110.00921.96
8.3.40.0120.00318.67
8.3.30.0200.00019.22
8.3.20.0000.00820.30
8.3.10.0030.00522.09
8.3.00.0050.00522.57
8.2.180.0080.01116.60
8.2.170.0080.00822.96
8.2.160.0030.01318.81
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0000.01826.16
8.2.120.0040.00419.25
8.2.110.0070.00322.08
8.2.100.0130.00317.78
8.2.90.0030.00519.17
8.2.80.0000.00818.16
8.2.70.0000.00917.50
8.2.60.0030.01018.05
8.2.50.0080.00018.07
8.2.40.0050.00518.34
8.2.30.0000.00718.18
8.2.20.0040.00417.60
8.2.10.0050.00319.54
8.2.00.0000.00819.58
8.1.280.0070.00725.92
8.1.270.0050.00322.20
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0070.00419.16
8.1.220.0080.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00617.36
8.1.190.0080.00017.51
8.1.180.0000.00818.75
8.1.170.0050.00318.56
8.1.160.0040.00421.91
8.1.150.0060.00318.63
8.1.140.0080.00017.32
8.1.130.0000.00717.80
8.1.120.0040.00417.30
8.1.110.0080.00017.45
8.1.100.0000.00717.46
8.1.90.0000.00817.37
8.1.80.0070.00017.42
8.1.70.0030.00317.43
8.1.60.0090.00017.61
8.1.50.0040.00417.55
8.1.40.0050.00317.46
8.1.30.0030.00517.66
8.1.20.0040.00417.70
8.1.10.0040.00417.53
8.1.00.0030.00517.32
8.0.300.0040.00418.77
8.0.290.0070.00017.18
8.0.280.0070.00018.42
8.0.270.0030.00317.21
8.0.260.0000.00716.67
8.0.250.0040.00416.98
8.0.240.0040.00417.03
8.0.230.0000.00716.89
8.0.220.0000.00716.88
8.0.210.0080.00016.75
8.0.200.0030.00316.81
8.0.190.0040.00416.95
8.0.180.0040.00416.89
8.0.170.0030.00516.96
8.0.160.0050.00316.88
8.0.150.0080.00016.86
8.0.140.0000.00716.87
8.0.130.0030.00313.30
8.0.120.0040.00416.73
8.0.110.0000.00816.90
8.0.100.0050.00216.83
8.0.90.0040.00416.93
8.0.80.0100.01016.88
8.0.70.0000.00716.66
8.0.60.0050.00216.90
8.0.50.0000.00916.86
8.0.30.0160.00617.12
8.0.20.0130.00617.40
8.0.10.0080.00017.02
8.0.00.0150.00816.71
7.4.330.0050.00015.09
7.4.320.0030.00316.47
7.4.300.0040.00416.61
7.4.290.0000.00716.49
7.4.280.0000.00716.39
7.4.270.0040.00416.52
7.4.260.0070.00016.52
7.4.250.0050.00216.46
7.4.240.0020.00616.55
7.4.230.0030.00316.57
7.4.220.0110.00716.45
7.4.210.0100.00716.57
7.4.200.0000.00716.38
7.4.190.0000.00716.46
7.4.160.0080.01116.50
7.4.150.0180.00017.40
7.4.140.0130.00917.86
7.4.130.0140.00616.48
7.4.120.0070.01516.65
7.4.110.0060.01316.38
7.4.100.0060.01316.45
7.4.90.0120.00916.34
7.4.80.0070.01419.39
7.4.70.0080.01116.52
7.4.60.0150.01216.52
7.4.50.0000.00416.48
7.4.40.0070.01122.77
7.4.30.0040.01516.42
7.4.00.0140.00315.20
7.3.330.0060.00013.24
7.3.320.0050.00012.96
7.3.310.0000.00816.34
7.3.300.0000.00716.16
7.3.290.0070.00716.29
7.3.280.0060.01016.20
7.3.270.0060.01217.40
7.3.260.0100.01016.51
7.3.250.0130.01216.57
7.3.240.0220.00316.48
7.3.230.0150.00416.59
7.3.210.0100.00716.54
7.3.200.0150.00419.39
7.3.190.0100.00716.65
7.3.180.0100.00716.40
7.3.170.0100.00716.36
7.3.160.0110.00716.26
7.3.120.0000.01614.59
7.3.10.0060.00316.69
7.3.00.0030.00916.83
7.2.330.0030.01616.72
7.2.320.0090.01616.69
7.2.310.0160.00916.35
7.2.300.0100.01316.35
7.2.290.0140.00516.63
7.2.130.0030.01016.99
7.2.120.0070.00716.77
7.2.110.0060.00616.93
7.2.100.0060.01116.96
7.2.90.0060.00916.97
7.2.80.0060.01016.86
7.2.70.0040.01116.73
7.2.60.0090.00316.75
7.2.50.0070.00716.73
7.2.40.0030.01016.79
7.2.30.0090.00316.98
7.2.20.0100.00616.88
7.2.10.0030.01016.61
7.2.00.0040.00918.10
7.1.250.0070.00315.78
7.1.100.0090.00917.94
7.1.70.0000.00817.17
7.1.60.0110.01419.82
7.1.50.0090.01516.99
7.1.00.0030.07322.45
7.0.200.0110.00016.77
7.0.140.0070.07021.96
7.0.60.0030.08019.97
7.0.50.0100.06717.87
7.0.40.0130.03319.99
7.0.30.0370.07020.33
7.0.20.0230.05320.13
7.0.10.0070.04320.20
7.0.00.0000.08019.99
5.6.280.0070.07021.04
5.6.210.0070.07720.69
5.6.200.0000.04318.21
5.6.190.0100.06320.43
5.6.180.0430.03720.57
5.6.170.0200.07720.49
5.6.160.0000.07020.39
5.6.150.0100.07718.12
5.6.140.0130.06718.10
5.6.130.0170.07318.09
5.6.120.0070.04021.11
5.6.110.0100.09021.11
5.6.100.0130.07320.98
5.6.90.0100.07720.97
5.6.80.0100.03320.40
5.5.350.3430.03320.49
5.5.340.0030.04317.92
5.5.330.0170.08020.19
5.5.320.2530.05020.30
5.5.310.0470.07020.29
5.5.300.0000.09017.95
5.5.290.0100.04717.98
5.5.280.0030.04020.76
5.5.270.0030.08020.82
5.5.260.0170.07320.88
5.5.250.0100.07320.61
5.5.240.0030.03720.11
5.4.450.0230.06719.45
5.4.440.0900.05719.60
5.4.430.1030.05719.50
5.4.420.0670.05719.59
5.4.410.0970.07719.18
5.4.400.0170.05018.94
5.4.390.0770.05319.25
5.4.380.0230.07018.63
5.4.370.0370.04718.46
5.4.360.0430.04318.68
5.4.350.0130.06018.72
5.4.340.0200.06018.59
5.4.320.0050.03812.46
5.4.310.0060.04212.45
5.4.300.0070.03612.45
5.4.290.0080.04012.45
5.4.280.0060.03712.35
5.4.270.0170.06718.73
5.4.260.0070.06718.73
5.4.250.0070.05318.74
5.4.240.0130.05018.74
5.4.230.0100.05318.75
5.4.220.0170.07018.60
5.4.210.0130.04718.75
5.4.200.0070.05718.95
5.4.190.0170.06318.64
5.4.180.0030.06318.97
5.4.170.0200.06318.79
5.4.160.0200.04018.96
5.4.150.0130.07318.94
5.4.140.0130.06716.27
5.4.130.0130.06316.25
5.4.120.0070.06716.32
5.4.110.0100.05016.50
5.4.100.0130.04316.37
5.4.90.0100.04716.12
5.4.80.0070.05016.44
5.4.70.0100.05716.43
5.4.60.0130.04716.34
5.4.50.0130.05716.38
5.4.40.0100.05016.47
5.4.30.0100.04716.45
5.4.20.0100.04716.34
5.4.10.0100.05316.47
5.4.00.0100.04715.97
5.3.290.0050.04312.80
5.3.280.0170.04314.45
5.3.270.0130.04714.75
5.3.260.0130.07314.65
5.3.250.0000.06014.62
5.3.240.0170.06714.62
5.3.230.0070.05314.48
5.3.220.0130.05314.44
5.3.210.0130.04714.42
5.3.200.0100.05014.27
5.3.190.0200.04014.26
5.3.180.0100.04714.28
5.3.170.0070.05014.26
5.3.160.0100.06014.43
5.3.150.0030.07714.71
5.3.140.0070.06314.55
5.3.130.0130.07314.43
5.3.120.0200.06314.59
5.3.110.0100.05314.56
5.3.100.0030.08014.08
5.3.90.0070.05014.11
5.3.80.0030.06314.06
5.3.70.0130.06013.86
5.3.60.0170.06014.04
5.3.50.0130.06713.96
5.3.40.0130.06713.96
5.3.30.0070.07313.84
5.3.20.0100.04713.84
5.3.10.0070.05013.66
5.3.00.0100.06313.49
5.2.170.0070.05011.05
5.2.160.0130.03711.15
5.2.150.0130.03311.04
5.2.140.0100.05011.16
5.2.130.0170.03310.94
5.2.120.0100.05311.13
5.2.110.0070.05010.98
5.2.100.0100.05311.21
5.2.90.0100.05311.10
5.2.80.0070.04011.13
5.2.70.0030.04311.20
5.2.60.0030.04310.81
5.2.50.0070.04011.02
5.2.40.0100.05011.14
5.2.30.0130.03710.92
5.2.20.0030.05710.96
5.2.10.0030.04710.80
5.2.00.0000.04310.69
5.1.60.0130.02710.05
5.1.50.0100.02710.06
5.1.40.0030.03710.01
5.1.30.0100.03010.33
5.1.20.0030.03710.25
5.1.10.0030.03710.15
5.1.00.0030.04010.13
5.0.50.0030.0308.50
5.0.40.0070.0238.32
5.0.30.0030.0438.16
5.0.20.0030.0378.17
5.0.10.0030.0278.13
5.0.00.0000.0508.15
4.4.90.0000.0336.83
4.4.80.0030.0306.83
4.4.70.0030.0306.83
4.4.60.0070.0206.83
4.4.50.0070.0206.83
4.4.40.0000.0506.83
4.4.30.0070.0276.83
4.4.20.0000.0236.83
4.4.10.0030.0306.83
4.4.00.0000.0506.83
4.3.110.0130.0206.83
4.3.100.0130.0206.83
4.3.90.0030.0276.83
4.3.80.0030.0306.83
4.3.70.0070.0236.83
4.3.60.0030.0206.83
4.3.50.0070.0306.83
4.3.40.0070.0306.83
4.3.30.0030.0306.83
4.3.20.0000.0276.83
4.3.10.0000.0276.83
4.3.00.0070.0208.13

preferences:
35.42 ms | 401 KiB | 5 Q