3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,1,3,2,1,3,2,1,3,2,1,2,3,1,2,3); echo implode(" ", $a) . "\n"; $first = 0; $last = sizeof($a) - 1; foreach($a as $k => $v) { echo "Found $v at index $k\n"; if ($v == 1) { swap($a, $k, $first); } if ($v == 3) { swap($a, $k, $last); } } echo implode(" ", $a) . "\n"; function swap(&$arr, $k1, $k2) { echo "Swapping $k1 and $k2\n"; $tmp = $arr[$k2]; $arr[$k2] = $arr[$k1]; $arr[$k1] = $tmp; }

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)
8.3.40.0120.00318.85
8.3.30.0070.00718.71
8.3.20.0080.00018.73
8.3.10.0040.00421.08
8.3.00.0050.00223.61
8.2.170.0060.00922.96
8.2.160.0070.00720.22
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0060.00319.68
8.2.110.0000.01022.25
8.2.100.0080.00417.84
8.2.90.0000.00819.34
8.2.80.0000.00817.97
8.2.70.0040.00717.62
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0040.00419.91
8.2.20.0040.00417.67
8.2.10.0040.00417.64
8.2.00.0080.00317.77
8.1.270.0080.00023.99
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0030.00722.60
8.1.230.0070.00420.84
8.1.220.0080.00018.77
8.1.210.0080.00018.96
8.1.200.0030.00617.22
8.1.190.0050.00317.52
8.1.180.0090.00318.10
8.1.170.0040.00418.75
8.1.160.0020.00518.82
8.1.150.0040.00418.61
8.1.140.0040.00417.39
8.1.130.0000.00817.74
8.1.120.0070.00017.47
8.1.110.0000.00817.35
8.1.100.0040.00417.36
8.1.90.0020.00517.47
8.1.80.0030.00317.36
8.1.70.0000.00817.37
8.1.60.0040.00417.60
8.1.50.0040.00417.46
8.1.40.0040.00417.57
8.1.30.0000.00717.67
8.1.20.0000.00817.70
8.1.10.0080.00017.56
8.1.00.0060.00317.55
8.0.300.0060.00319.67
8.0.290.0000.00817.28
8.0.280.0030.00318.38
8.0.270.0000.00717.18
8.0.260.0100.00016.76
8.0.250.0040.00416.87
8.0.240.0040.00416.97
8.0.230.0040.00416.93
8.0.220.0030.00316.91
8.0.210.0000.00816.91
8.0.200.0050.00316.91
8.0.190.0000.00816.97
8.0.180.0040.00416.86
8.0.170.0000.00816.93
8.0.160.0040.00416.92
8.0.150.0050.00216.90
8.0.140.0050.00316.83
8.0.130.0060.00013.43
8.0.120.0040.00416.76
8.0.110.0000.00716.90
8.0.100.0040.00416.80
8.0.90.0040.00416.71
8.0.80.0150.00016.94
8.0.70.0040.00416.86
8.0.60.0040.00416.87
8.0.50.0040.00416.91
8.0.30.0090.00917.25
8.0.20.0080.01017.40
8.0.10.0030.00516.91
8.0.00.0040.01816.74
7.4.330.0030.00314.74
7.4.320.0000.00716.61
7.4.300.0030.00316.59
7.4.290.0070.00016.65
7.4.280.0000.00716.46
7.4.270.0000.00716.55
7.4.260.0000.00513.31
7.4.250.0030.00516.59
7.4.240.0070.00016.53
7.4.230.0030.00316.55
7.4.220.0070.01816.48
7.4.210.0080.00916.64
7.4.200.0020.00516.72
7.4.190.0000.00716.49
7.4.160.0110.00716.43
7.4.150.0170.00817.40
7.4.140.0130.00617.86
7.4.130.0050.01416.65
7.4.120.0060.01116.65
7.4.110.0250.00016.38
7.4.100.0140.00716.64
7.4.90.0090.00916.41
7.4.80.0120.01219.37
7.4.70.0140.00316.34
7.4.60.0150.00316.53
7.4.50.0000.00916.23
7.4.40.0040.01422.52
7.4.30.0140.00316.53
7.4.00.0060.01115.06
7.3.330.0030.00313.23
7.3.320.0050.00213.12
7.3.310.0070.00016.34
7.3.300.0000.00716.41
7.3.290.0060.00916.29
7.3.280.0050.01216.37
7.3.270.0060.01117.40
7.3.260.0130.00718.24
7.3.250.0120.00916.49
7.3.240.0130.00916.41
7.3.230.0120.00916.64
7.3.210.0180.00916.36
7.3.200.0120.00919.39
7.3.190.0100.00716.28
7.3.180.0130.00316.32
7.3.170.0150.00016.47
7.3.160.0120.00916.39
7.3.120.0020.01614.77
7.3.110.0030.01314.84
7.3.100.0140.00314.78
7.3.90.0030.01214.88
7.3.80.0070.00714.86
7.3.70.0060.00314.79
7.3.60.0090.00014.62
7.3.50.0060.00614.92
7.3.40.0060.00314.96
7.3.30.0100.00315.00
7.3.20.0060.00616.75
7.3.10.0070.00216.62
7.3.00.0100.00516.68
7.2.330.0090.00916.70
7.2.320.0070.01116.75
7.2.310.0180.00616.79
7.2.300.0090.00616.66
7.2.290.0060.01016.68
7.2.250.0110.00414.96
7.2.240.0070.01315.08
7.2.230.0070.00714.95
7.2.220.0000.01514.91
7.2.210.0090.00614.85
7.2.200.0090.00015.18
7.2.190.0100.00315.17
7.2.180.0040.00715.05
7.2.170.0070.00715.12
7.2.130.0030.00616.80
7.2.120.0000.01216.88
7.2.110.0100.00316.79
7.2.100.0060.00616.90
7.2.90.0030.00616.88
7.2.80.0000.01316.94
7.2.70.0070.01016.70
7.2.60.0060.00916.79
7.2.50.0030.00917.00
7.2.40.0030.01016.95
7.2.30.0120.00316.73
7.2.20.0090.00917.06
7.2.10.0030.00916.98
7.2.00.0050.00818.11
7.1.330.0070.01016.00
7.1.320.0030.01015.86
7.1.310.0000.01515.84
7.1.300.0000.01115.89
7.1.290.0030.01015.88
7.1.280.0000.00915.99
7.1.270.0040.01115.52
7.1.260.0060.00615.58
7.1.250.0030.01315.59
7.1.100.0040.00818.32
7.1.70.0030.00617.25
7.1.60.0090.01619.40
7.1.50.0040.01816.61
7.1.00.0100.06722.28
7.0.200.0000.00716.68
7.0.140.0000.07722.18
7.0.70.0070.06321.95
7.0.60.0030.05721.78
7.0.50.0070.07722.20
7.0.40.0130.07020.11
7.0.30.0070.08020.08
7.0.20.0070.08020.02
7.0.10.0000.08320.12
7.0.00.0070.08320.14
5.6.280.0000.07721.08
5.6.220.0000.08320.61
5.6.210.0000.07020.66
5.6.200.0030.08721.00
5.6.190.0000.07720.96
5.6.180.0130.07021.00
5.6.170.0070.07720.98
5.6.160.0070.07721.02
5.6.150.0030.05721.09
5.6.140.0100.08021.08
5.6.130.0070.07321.02
5.6.120.0030.08720.95
5.6.110.0030.09021.01
5.6.100.0030.09021.05
5.6.90.0030.08321.09
5.6.80.0070.05720.41
5.6.70.0070.06020.34
5.6.60.0030.06320.42
5.6.50.0070.08020.45
5.6.40.0030.05320.29
5.6.30.0000.06720.44
5.6.20.0070.08020.39
5.6.10.0100.07720.29
5.6.00.0000.06320.35
5.5.360.0030.06320.36
5.5.350.0100.07720.43
5.5.340.0070.07320.64
5.5.330.0130.07320.60
5.5.320.0030.06720.78
5.5.310.0100.08020.91
5.5.300.0070.07320.73
5.5.290.0100.08320.87
5.5.280.0130.07320.77
5.5.270.0070.06720.77
5.5.260.0130.06320.79
5.5.250.0100.06720.70
5.5.240.0100.04320.18
5.5.230.0130.07320.27
5.5.220.0000.07720.18
5.5.210.0030.07720.11
5.5.200.0070.06020.16
5.5.190.0000.08320.15
5.5.180.0100.06320.10
5.5.160.0130.07020.26
5.5.150.0070.07720.25
5.5.140.0070.07720.18
5.5.130.0030.04720.15
5.5.120.0030.04320.25
5.5.110.0000.04020.23
5.5.100.0000.05320.07
5.5.90.0000.04020.06
5.5.80.0030.03720.15
5.5.70.0000.04020.06
5.5.60.0070.03320.05
5.5.50.0000.04020.00
5.5.40.0000.03320.10
5.5.30.0000.04020.05
5.5.20.0070.03020.11
5.5.10.0000.03320.09
5.5.00.0000.04020.11
5.4.450.0000.08719.49
5.4.440.0070.08019.54
5.4.430.0070.07319.38
5.4.420.0070.07719.38
5.4.410.0000.08019.43
5.4.400.0030.08319.04
5.4.390.0000.08019.06
5.4.380.0000.07719.18
5.4.370.0000.07719.16
5.4.360.0070.07319.12
5.4.350.0100.06319.23
5.4.340.0030.07718.88
5.4.320.0070.07019.03
5.4.310.0000.08319.09
5.4.300.0030.06318.94
5.4.290.0070.07719.20
5.4.280.0100.06719.02
5.4.270.0000.04719.05
5.4.260.0030.04719.12
5.4.250.0000.03718.94
5.4.240.0070.03018.94
5.4.230.0000.04319.13
5.4.220.0000.04319.20
5.4.210.0000.04019.08
5.4.200.0000.03719.03
5.4.190.0000.03719.12
5.4.180.0030.03318.84
5.4.170.0030.04719.21
5.4.160.0030.03718.88
5.4.150.0000.04319.11
5.4.140.0000.03716.34
5.4.130.0000.03016.39
5.4.120.0030.03316.33
5.4.110.0000.03016.34
5.4.100.0030.04016.43
5.4.90.0000.03016.39
5.4.80.0030.02716.34
5.4.70.0000.03716.30
5.4.60.0070.03716.48
5.4.50.0030.02716.32
5.4.40.0000.03716.45
5.4.30.0000.03016.41
5.4.20.0000.03016.24
5.4.10.0000.03316.44
5.4.00.0000.02715.85
5.3.290.0030.08014.73
5.3.280.0000.03714.70
5.3.270.0000.04014.64
5.3.260.0000.03314.73
5.3.250.0030.04314.64
5.3.240.0000.03014.61
5.3.230.0000.03014.66
5.3.220.0000.03014.63
5.3.210.0000.05014.50
5.3.200.0000.04714.67
5.3.190.0000.03014.70
5.3.180.0030.02714.55
5.3.170.0030.02714.54
5.3.160.0000.04014.52
5.3.150.0000.03714.54
5.3.140.0000.03014.61
5.3.130.0000.03014.61
5.3.120.0000.03014.60
5.3.110.0000.03714.55
5.3.100.0000.03014.03
5.3.90.0030.02714.06
5.3.80.0000.03013.99
5.3.70.0070.02314.04
5.3.60.0000.03013.92
5.3.50.0030.02713.95
5.3.40.0030.03013.96
5.3.30.0000.03014.02
5.3.20.0070.02313.67
5.3.10.0000.02713.71
5.3.00.0000.03713.56
5.2.170.0000.02311.45
5.2.160.0000.02311.45
5.2.150.0000.02311.45
5.2.140.0000.02711.45
5.2.130.0000.02311.45
5.2.120.0000.02311.45
5.2.110.0000.02311.45
5.2.100.0000.02311.45
5.2.90.0000.03011.45
5.2.80.0000.03011.45
5.2.70.0030.02311.45
5.2.60.0000.02311.45
5.2.50.0030.03011.45
5.2.40.0000.03011.45
5.2.30.0000.02311.45
5.2.20.0030.02011.45
5.2.10.0030.06311.45
5.2.00.0070.04011.45
5.1.60.0000.03711.45
5.1.50.0000.04711.45
5.1.40.0030.05011.45
5.1.30.0070.05711.45
5.1.20.0070.04711.45
5.1.10.0030.05011.45
5.1.00.0070.05311.45
5.0.50.0030.04311.45
5.0.40.0000.03311.45
5.0.30.0000.07011.45
5.0.20.0000.03711.45
5.0.10.0070.03011.45
5.0.00.0000.05311.45
4.4.90.0030.01011.45
4.4.80.0000.01011.45
4.4.70.0000.02711.45
4.4.60.0000.03011.45
4.4.50.0030.03011.45
4.4.40.0030.03011.45
4.4.30.0000.03011.45
4.4.20.0000.03311.45
4.4.10.0070.03011.45
4.4.00.0000.04711.45
4.3.110.0000.03311.45
4.3.100.0000.03311.45
4.3.90.0030.03311.45
4.3.80.0000.03311.45
4.3.70.0000.01711.45
4.3.60.0000.01711.45
4.3.50.0030.01311.45
4.3.40.0030.02011.45
4.3.30.0000.02711.45
4.3.20.0030.01311.45
4.3.10.0000.01711.45
4.3.00.0000.02011.45

preferences:
47.79 ms | 400 KiB | 5 Q