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) { $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)
8.3.60.0100.00316.63
8.3.50.0150.00721.99
8.3.40.0120.00318.61
8.3.30.0040.01119.28
8.3.20.0080.00020.05
8.3.10.0040.00423.53
8.3.00.0060.00317.24
8.2.180.0070.00718.18
8.2.170.0040.01122.96
8.2.160.0030.01020.57
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0080.00026.16
8.2.120.0040.00422.02
8.2.110.0030.00622.12
8.2.100.0110.00018.03
8.2.90.0000.00819.17
8.2.80.0060.00317.97
8.2.70.0030.00517.63
8.2.60.0030.00618.05
8.2.50.0060.00318.07
8.2.40.0040.00418.34
8.2.30.0030.00618.13
8.2.20.0000.00717.69
8.2.10.0000.00718.13
8.2.00.0000.01017.74
8.1.280.0140.00325.92
8.1.270.0090.00622.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0090.00319.14
8.1.220.0040.00417.77
8.1.210.0080.00018.77
8.1.200.0060.00317.47
8.1.190.0060.00317.40
8.1.180.0000.00818.10
8.1.170.0030.00518.57
8.1.160.0000.00721.96
8.1.150.0000.00818.66
8.1.140.0080.00017.46
8.1.130.0040.00417.86
8.1.120.0070.00017.51
8.1.110.0000.00717.48
8.1.100.0000.00717.50
8.1.90.0050.00217.46
8.1.80.0040.00417.48
8.1.70.0030.00317.47
8.1.60.0030.00517.52
8.1.50.0040.00417.44
8.1.40.0080.00017.50
8.1.30.0080.00017.62
8.1.20.0000.00817.51
8.1.10.0070.00017.59
8.1.00.0000.00717.42
8.0.300.0000.00718.77
8.0.290.0040.00417.04
8.0.280.0040.00418.58
8.0.270.0030.00317.25
8.0.260.0000.00617.32
8.0.250.0030.00316.99
8.0.240.0000.00817.02
8.0.230.0000.00816.86
8.0.220.0000.00716.89
8.0.210.0040.00416.92
8.0.200.0000.00716.93
8.0.190.0030.00417.02
8.0.180.0050.00316.82
8.0.170.0040.00416.82
8.0.160.0030.00316.96
8.0.150.0000.00716.88
8.0.140.0030.00316.84
8.0.130.0050.00313.43
8.0.120.0050.00216.89
8.0.110.0040.00416.82
8.0.100.0000.00716.94
8.0.90.0040.00416.93
8.0.80.0080.00816.95
8.0.70.0000.00816.94
8.0.60.0040.00416.89
8.0.50.0030.00516.86
8.0.30.0140.00517.13
8.0.20.0060.01217.40
8.0.10.0070.00017.02
8.0.00.0070.01116.67
7.4.330.0050.00015.00
7.4.320.0030.00316.63
7.4.300.0030.00316.52
7.4.290.0070.00016.55
7.4.280.0070.00016.46
7.4.270.0000.00816.61
7.4.260.0030.00316.52
7.4.250.0050.00216.61
7.4.240.0050.00216.60
7.4.230.0030.00316.32
7.4.220.0120.00616.48
7.4.210.0100.00716.56
7.4.200.0000.00716.42
7.4.190.0070.00016.52
7.4.160.0030.01316.29
7.4.150.0080.00917.40
7.4.140.0210.01417.86
7.4.130.0130.00616.64
7.4.120.0080.00916.60
7.4.110.0130.00416.42
7.4.100.0070.01016.54
7.4.90.0070.01116.56
7.4.80.0060.01019.39
7.4.70.0110.00516.46
7.4.60.0030.01316.55
7.4.50.0050.00316.73
7.4.40.0060.00922.77
7.4.30.0040.01416.51
7.4.00.0070.00714.80
7.3.330.0000.00613.27
7.3.320.0060.00013.35
7.3.310.0030.00416.21
7.3.300.0000.00716.45
7.3.290.0030.01016.45
7.3.280.0060.01316.42
7.3.270.0130.00317.40
7.3.260.0110.00716.58
7.3.250.0090.00816.49
7.3.240.0060.01116.58
7.3.230.0100.01016.47
7.3.210.0070.01016.42
7.3.200.0120.01519.39
7.3.190.0040.01416.71
7.3.180.0160.00616.39
7.3.170.0100.01316.55
7.3.160.0100.00716.38
7.3.120.0090.00614.91
7.2.330.0090.00916.50
7.2.320.0100.01316.73
7.2.310.0100.00616.87
7.2.300.0130.00316.60
7.2.290.0030.01416.64
7.2.00.0030.01219.27
7.1.200.0050.00315.90
7.1.100.0030.00818.41
7.1.70.0110.00317.19
7.1.60.0040.01519.33
7.1.50.0200.01734.69
7.1.00.0070.07322.31
7.0.200.0200.00314.99
7.0.140.0030.06722.09
7.0.100.0030.05319.98
7.0.90.0000.08719.93
7.0.80.0100.08319.91
7.0.70.0100.08319.95
7.0.60.0170.07319.89
7.0.50.0130.07020.37
7.0.40.0100.06319.89
7.0.30.0170.06720.13
7.0.20.0100.06720.00
7.0.10.0230.06320.18
7.0.00.0130.07720.09
5.6.280.0000.07721.10
5.6.250.0100.09020.60
5.6.240.0000.09720.61
5.6.230.0130.07720.54
5.6.220.0070.08020.58
5.6.210.0130.07320.62
5.6.200.0130.07321.00
5.6.190.0070.08021.10
5.6.180.0100.07321.14
5.6.170.0100.05721.02
5.6.160.0070.08021.03
5.6.150.0200.07721.08
5.6.140.0170.07721.01
5.6.130.0170.07321.12
5.6.120.0100.05721.08
5.6.110.0070.08721.07
5.6.100.0130.07721.03
5.6.90.0070.05020.98
5.6.80.0130.06720.47
5.6.70.0100.07720.52
5.6.60.0170.04320.31
5.6.50.0100.08020.43
5.6.40.0030.07320.37
5.6.30.0100.04020.48
5.6.20.0130.05320.31
5.6.10.0030.08020.29
5.6.00.0130.06720.51
5.5.380.0070.08020.52
5.5.370.0070.08320.40
5.5.360.0070.07320.50
5.5.350.0100.07320.46
5.5.340.0030.04720.74
5.5.330.0070.04020.80
5.5.320.0100.07720.74
5.5.310.0130.07720.88
5.5.300.0100.07320.93
5.5.290.0100.07320.76
5.5.280.0100.06020.82
5.5.270.0100.08720.73
5.5.260.0170.07720.75
5.5.250.0070.05720.64
5.5.240.0070.08020.15
5.5.230.0070.07320.30
5.5.220.0130.06720.29
5.5.210.0100.07020.30
5.5.200.0100.08020.15
5.5.190.0070.08320.17
5.5.180.0100.05720.17
5.5.160.0100.08320.13
5.5.150.0100.07720.23
5.5.140.0170.06320.26
5.5.130.0000.06320.21
5.5.120.0030.07720.22
5.5.110.0170.06720.24
5.5.100.0100.07320.11
5.5.90.0100.08320.15
5.5.80.0070.08020.16
5.5.70.0070.04720.00
5.5.60.0100.07320.06
5.5.50.0030.08319.93
5.5.40.0100.03320.15
5.5.30.0100.06320.07
5.5.20.0070.05720.09
5.5.10.0130.06719.97
5.5.00.0070.07319.97
5.4.450.0130.06319.20
5.4.440.0070.08019.36
5.4.430.0130.07719.37
5.4.420.0100.04319.20
5.4.410.0170.05719.32
5.4.400.0100.04319.18
5.4.390.0100.07719.09
5.4.380.0130.06319.13
5.4.370.0130.07018.90
5.4.360.0030.08319.05
5.4.350.0030.05019.13
5.4.340.0100.07319.18
5.4.320.0030.05019.09
5.4.310.0130.07019.14
5.4.300.0000.08019.09
5.4.290.0070.07719.07
5.4.280.0100.07318.95
5.4.270.0100.07018.89
5.4.260.0100.05718.96
5.4.250.0170.06718.89
5.4.240.0100.08019.13
5.4.230.0070.06719.02
5.4.220.0000.07719.02
5.4.210.0130.05319.02
5.4.200.0130.06719.02
5.4.190.0030.05718.93
5.4.180.0100.07018.86
5.4.170.0100.04019.20
5.4.160.0070.04719.01
5.4.150.0070.08318.93
5.4.140.0100.07316.43
5.4.130.0030.07016.46
5.4.120.0030.03716.46
5.4.110.0070.05716.34
5.4.100.0100.06716.43
5.4.90.0130.06716.46
5.4.80.0030.08016.45
5.4.70.0100.07716.32
5.4.60.0130.06716.31
5.4.50.0030.07316.41
5.4.40.0030.07316.50
5.4.30.0070.06316.41
5.4.20.0230.04016.30
5.4.10.0130.07016.30
5.4.00.0170.06315.63
5.3.290.0030.08714.63
5.3.280.0100.07314.55
5.3.270.0000.08014.74
5.3.260.0070.08314.55
5.3.250.0170.06014.73
5.3.240.0130.07014.66
5.3.230.0130.07714.74
5.3.220.0030.06014.68
5.3.210.0100.07714.56
5.3.200.0000.06714.68
5.3.190.0130.07314.63
5.3.180.0000.08314.68
5.3.170.0030.07714.67
5.3.160.0200.06314.55
5.3.150.0070.07314.57
5.3.140.0200.06714.62
5.3.130.0130.05714.58
5.3.120.0100.06014.58
5.3.110.0070.08014.67
5.3.100.0030.06314.00
5.3.90.0030.04713.95
5.3.80.0030.07013.93
5.3.70.0030.04713.99
5.3.60.0130.06313.89
5.3.50.0070.05714.07
5.3.40.0100.07313.97
5.3.30.0130.05313.80
5.3.20.0030.08313.70
5.3.10.0070.03313.63
5.3.00.0100.06313.54
5.2.170.0000.05311.05
5.2.160.0030.05711.29
5.2.150.0030.06711.03
5.2.140.0030.07011.14
5.2.130.0030.05311.09
5.2.120.0070.05710.96
5.2.110.0000.04010.99
5.2.100.0070.05711.03
5.2.90.0030.06710.99
5.2.80.0070.06011.16
5.2.70.0070.05711.16
5.2.60.0100.05311.16
5.2.50.0130.05310.94
5.2.40.0000.06711.05
5.2.30.0000.06710.91
5.2.20.0000.04711.01
5.2.10.0070.06010.98
5.2.00.0130.05310.63
5.1.60.0000.03710.08
5.1.50.0030.0579.88
5.1.40.0030.0539.99
5.1.30.0070.06010.44
5.1.20.0030.05310.45
5.1.10.0030.04710.07
5.1.00.0030.05310.13
5.0.50.0070.0478.63
5.0.40.0030.0208.31
5.0.30.0100.0538.27
5.0.20.0000.0438.33
5.0.10.0070.0408.26
5.0.00.0030.0308.25
4.4.90.0070.0308.25
4.4.80.0030.0378.25
4.4.70.0000.0378.25
4.4.60.0030.0308.25
4.4.50.0030.0408.25
4.4.40.0000.0308.25
4.4.30.0100.0278.25
4.4.20.0000.0308.25
4.4.10.0070.0138.25
4.4.00.0030.0508.25
4.3.110.0030.0408.25
4.3.100.0070.0308.25
4.3.90.0030.0278.25
4.3.80.0030.0478.25
4.3.70.0000.0408.25
4.3.60.0070.0278.25
4.3.50.0000.0378.25
4.3.40.0030.0478.25
4.3.30.0030.0138.25
4.3.20.0000.0308.25
4.3.10.0000.0378.25
4.3.00.0030.0278.25

preferences:
42.25 ms | 401 KiB | 5 Q