3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a', 'b', 'c'); /*foreach($a as $k=>$v){ if($k==1) unset($a[$k]); echo $k.' => '.$v.' ('.$a[$k].')'.PHP_EOL; }*/ for($k=0; $k<count($a); $k++){ if($k==1) unset($a[$k]); echo $k.' ('.$a[$k].')'.PHP_EOL; } print_r($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)
8.3.70.0120.00316.75
8.3.60.0070.00716.63
8.3.50.0100.00922.00
8.3.40.0040.01118.84
8.3.30.0110.00719.08
8.3.20.0060.00319.93
8.3.10.0060.00323.52
8.3.00.0080.00019.38
8.2.180.0100.00718.26
8.2.170.0080.00622.96
8.2.160.0100.00720.38
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0110.00326.16
8.2.120.0070.00022.27
8.2.110.0000.00922.26
8.2.100.0000.01118.03
8.2.90.0000.00719.14
8.2.80.0000.00817.97
8.2.70.0080.00017.75
8.2.60.0040.00418.03
8.2.50.0030.00718.07
8.2.40.0040.00418.22
8.2.30.0000.00818.06
8.2.20.0050.00317.72
8.2.10.0070.00019.84
8.2.00.0040.00417.72
8.1.280.0100.00325.92
8.1.270.0060.00322.09
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0040.00423.83
8.1.230.0100.00319.10
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.01017.22
8.1.190.0030.00517.53
8.1.180.0050.00318.10
8.1.170.0040.00418.66
8.1.160.0040.00422.02
8.1.150.0040.00418.50
8.1.140.0030.00517.42
8.1.130.0000.00817.83
8.1.120.0000.00717.36
8.1.110.0040.00417.41
8.1.100.0040.00417.35
8.1.90.0000.00717.50
8.1.80.0030.00317.48
8.1.70.0030.00317.33
8.1.60.0100.00017.57
8.1.50.0000.00817.60
8.1.40.0040.00417.53
8.1.30.0080.00017.64
8.1.20.0000.00817.54
8.1.10.0050.00217.50
8.1.00.0040.00417.39
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0080.00018.46
8.0.270.0000.00817.30
8.0.260.0000.00816.79
8.0.250.0000.00816.89
8.0.240.0040.00416.89
8.0.230.0000.00717.00
8.0.220.0070.00016.97
8.0.210.0060.00016.79
8.0.200.0000.00717.00
8.0.190.0050.00617.02
8.0.180.0060.00316.99
8.0.170.0060.00317.01
8.0.160.0000.00716.82
8.0.150.0040.00416.89
8.0.140.0040.00416.92
8.0.130.0000.00613.36
8.0.120.0060.00316.97
8.0.110.0040.00416.98
8.0.100.0040.00416.77
8.0.90.0040.00416.95
8.0.80.0000.01416.97
8.0.70.0000.00716.74
8.0.60.0030.00516.89
8.0.50.0000.00816.82
8.0.30.0100.01217.16
8.0.20.0130.00617.40
8.0.10.0050.00316.93
8.0.00.0130.00816.72
7.4.330.0000.00515.15
7.4.320.0060.00016.37
7.4.300.0000.00916.58
7.4.290.0030.00316.55
7.4.280.0030.00316.46
7.4.270.0000.00716.53
7.4.260.0000.00616.59
7.4.250.0000.00816.48
7.4.240.0040.00416.44
7.4.230.0040.00416.61
7.4.220.0120.00316.62
7.4.210.0100.00416.50
7.4.200.0040.00416.46
7.4.190.0070.00016.69
7.4.160.0110.00516.55
7.4.150.0140.00617.40
7.4.140.0050.01317.86
7.4.130.0100.01016.52
7.4.120.0110.00516.48
7.4.110.0090.00916.56
7.4.100.0150.00316.78
7.4.90.0150.00316.69
7.4.80.0160.00319.39
7.4.70.0070.01016.45
7.4.60.0120.00416.61
7.4.50.0000.00816.45
7.4.40.0030.00922.77
7.4.30.0100.00716.51
7.4.00.0060.01014.65
7.3.330.0050.00013.08
7.3.320.0000.00513.25
7.3.310.0030.00516.18
7.3.300.0070.00016.11
7.3.290.0000.01416.42
7.3.280.0040.01516.30
7.3.270.0030.01717.40
7.3.260.0060.01216.38
7.3.250.0110.00916.60
7.3.240.0140.00416.44
7.3.230.0190.00616.64
7.3.210.0170.00016.29
7.3.200.0120.00619.39
7.3.190.0120.00916.43
7.3.180.0070.00716.52
7.3.170.0100.00616.59
7.3.160.0080.00816.55
7.3.120.0030.00915.05
7.2.330.0100.00716.44
7.2.320.0080.00916.68
7.2.310.0040.01416.65
7.2.300.0080.00816.69
7.2.290.0150.00616.79
7.2.00.0080.00418.80
7.1.100.0000.01317.98
7.1.70.0070.00417.34
7.1.60.0120.01219.33
7.1.50.0060.00916.99
7.1.00.0130.06722.32
7.0.200.0000.00816.94
7.0.140.0030.07322.18
7.0.110.0030.05021.73
7.0.100.0070.07721.80
7.0.90.0070.06721.62
7.0.80.0030.08021.84
7.0.70.0000.04321.74
7.0.60.0000.04321.88
7.0.50.0030.04022.16
7.0.40.0030.04320.16
7.0.30.0030.03720.09
7.0.20.0030.04320.22
7.0.10.0070.06020.18
7.0.00.0030.09020.16
5.6.280.0000.07721.11
5.6.260.0030.08020.64
5.6.250.0100.07720.67
5.6.240.0030.05020.56
5.6.230.0100.04720.68
5.6.220.0030.04020.50
5.6.210.0200.03020.58
5.6.200.0130.08021.01
5.6.190.0000.06320.93
5.6.180.0070.03721.29
5.6.170.0000.06021.08
5.6.160.0000.06720.93
5.6.150.0200.08021.07
5.6.140.0100.03721.28
5.6.130.0100.04320.95
5.6.120.0000.04721.29
5.6.110.0000.04321.05
5.6.100.0000.07721.06
5.6.90.0030.03720.91
5.6.80.0030.03720.57
5.6.70.0030.06320.66
5.6.60.0030.04720.48
5.6.50.0000.04020.65
5.6.40.0000.04320.31
5.6.30.0030.03720.30
5.6.20.0000.04020.30
5.6.10.0000.04020.38
5.6.00.0000.05320.39
5.5.380.0030.07720.46
5.5.370.0000.07020.36
5.5.360.0070.06020.50
5.5.350.0000.05720.40
5.5.340.0070.03720.96
5.5.330.0000.04320.89
5.5.320.0030.04020.96
5.5.310.0100.03721.02
5.5.300.0100.03720.89
5.5.290.0070.04020.86
5.5.280.0030.05320.98
5.5.270.0030.05020.79
5.5.260.0000.04320.73
5.5.250.0030.04020.67
5.5.240.0030.03720.41
5.5.230.0070.07020.33
5.5.220.0070.06720.07
5.5.210.0070.03720.24
5.5.200.0070.03320.21
5.5.190.0000.08020.27
5.5.180.0070.05020.13
5.5.160.0030.03720.25
5.5.150.0030.03720.19
5.5.140.0000.04020.09
5.5.130.0030.03720.18
5.5.120.0070.03320.38
5.5.110.0030.08020.27
5.5.100.0000.08319.98
5.5.90.0030.07319.98
5.5.80.0100.07020.10
5.5.70.0070.06720.04
5.5.60.0070.04320.18
5.5.50.0030.08020.13
5.5.40.0100.06320.09
5.5.30.0030.07720.11
5.5.20.0070.07320.18
5.5.10.0070.07720.16
5.5.00.0030.07720.16
5.4.450.0030.04019.32
5.4.440.0070.03319.55
5.4.430.0000.05019.32
5.4.420.0030.04319.27
5.4.410.0000.04019.14
5.4.400.0000.03718.95
5.4.390.0000.04319.34
5.4.380.0100.04019.18
5.4.370.0030.03719.03
5.4.360.0070.03318.96
5.4.350.0030.03319.00
5.4.340.0000.04019.03
5.4.320.0000.04018.99
5.4.310.0000.05319.34
5.4.300.0030.03718.98
5.4.290.0000.03719.00
5.4.280.0000.04019.33
5.4.270.0030.07319.33
5.4.260.0030.03719.16
5.4.250.0030.03319.02
5.4.240.0030.03319.15
5.4.230.0100.06719.17
5.4.220.0000.08319.21
5.4.210.0030.07719.15
5.4.200.0030.05719.17
5.4.190.0070.07319.17
5.4.180.0070.07319.23
5.4.170.0070.07019.17
5.4.160.0130.07019.21
5.4.150.0070.07019.29
5.4.140.0100.06716.50
5.4.130.0100.04316.29
5.4.120.0000.04016.32
5.4.110.0030.07016.31
5.4.100.0000.03716.43
5.4.90.0030.07016.50
5.4.80.0030.04716.30
5.4.70.0070.07016.56
5.4.60.0030.07316.54
5.4.50.0070.07316.52
5.4.40.0100.06716.68
5.4.30.0070.03716.54
5.4.20.0030.07316.23
5.4.10.0100.06316.46
5.4.00.0100.06015.80
5.3.290.0000.03714.89
5.3.280.0000.04314.72
5.3.270.0030.07314.46
5.3.260.0030.07714.73
5.3.250.0030.07714.61
5.3.240.0030.07314.45
5.3.230.0000.07314.55
5.3.220.0030.07714.56
5.3.210.0070.05014.64
5.3.200.0070.07014.79
5.3.190.0070.07314.58
5.3.180.0070.07014.56
5.3.170.0000.04714.68
5.3.160.0030.07714.69
5.3.150.0030.07314.55
5.3.140.0000.07314.68
5.3.130.0030.08014.77
5.3.120.0100.07714.68
5.3.110.0000.08314.68
5.3.100.0030.04713.99
5.3.90.0030.07013.88
5.3.80.0000.06014.14
5.3.70.0030.04014.07
5.3.60.0030.05714.00
5.3.50.0030.06313.94
5.3.40.0000.07013.94
5.3.30.0000.07013.98
5.3.20.0030.03013.69
5.3.10.0030.06713.64
5.3.00.0000.06313.64
5.2.170.0000.06311.51
5.2.160.0030.05711.51
5.2.150.0000.06711.51
5.2.140.0030.03011.51
5.2.130.0000.02711.51
5.2.120.0000.03311.51
5.2.110.0000.04011.51
5.2.100.0000.05011.51
5.2.90.0030.05711.51
5.2.80.0000.06311.51
5.2.70.0030.04711.51
5.2.60.0000.06011.51
5.2.50.0000.06011.51
5.2.40.0030.05711.51
5.2.30.0000.06011.51
5.2.20.0000.06011.51
5.2.10.0000.06011.51
5.2.00.0000.06311.51
5.1.60.0070.04711.51
5.1.50.0000.04311.51
5.1.40.0000.02711.51
5.1.30.0030.04011.51
5.1.20.0000.05011.51
5.1.10.0000.04011.51
5.1.00.0000.05011.51
5.0.50.0000.03311.51
5.0.40.0000.04311.51
5.0.30.0070.06011.51
5.0.20.0000.04011.51
5.0.10.0000.03311.51
5.0.00.0000.06311.51
4.4.90.0000.02711.51
4.4.80.0000.03311.51
4.4.70.0000.03311.51
4.4.60.0030.03311.51
4.4.50.0030.03311.51
4.4.40.0030.04311.51
4.4.30.0000.03711.51
4.4.20.0000.04011.51
4.4.10.0070.03011.51
4.4.00.0000.05311.51
4.3.110.0000.03311.51
4.3.100.0030.03011.51
4.3.90.0000.03311.51
4.3.80.0000.05311.51
4.3.70.0070.02711.51
4.3.60.0030.03011.51
4.3.50.0000.03011.51
4.3.40.0070.03711.51
4.3.30.0030.03011.51
4.3.20.0000.03711.51
4.3.10.0030.03311.51
4.3.00.0030.02311.51

preferences:
43.46 ms | 401 KiB | 5 Q