3v4l.org

run code in 300+ PHP versions simultaneously
<?php $names = array("John","Doe","Polo","Marco","Smith"); $array = array(); for($i = 0; $i < 20; $i ++) { $key = mt_rand(0, 1000); $array[$key]["firstName"] = $names[array_rand($names)]; $array[$key]["lastName"] = $names[array_rand($names)]; } // Start Sorting process ksort($array); // Start Storage $data = $hash = array(); // Loop and porpulate new array foreach ( $array as $k => $v ) { $h = sha1($v['firstName'] . $v["lastName"]); isset($hash[$h]) or $data[$k] = $v and $hash[$h] = 1; } var_dump($data);

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)
7.2.00.0000.01519.60
7.1.70.0100.00017.20
7.1.60.0140.01119.40
7.1.50.0100.00734.79
7.1.00.0070.04322.57
7.0.200.0050.00216.70
7.0.140.0070.07321.96
7.0.120.0070.07021.96
7.0.60.0100.07720.07
7.0.50.0100.07317.80
7.0.40.0000.05320.11
7.0.30.0170.08719.97
7.0.20.0230.04020.12
7.0.10.0030.05320.14
7.0.00.0070.04020.32
5.6.280.0000.07721.09
5.6.210.0200.06020.54
5.6.200.0070.08318.13
5.6.190.0130.07320.27
5.6.180.0270.06720.39
5.6.170.0200.04720.42
5.6.160.0070.08720.50
5.6.150.0070.08318.22
5.6.140.0000.04718.17
5.6.130.0000.04318.07
5.6.120.0100.07020.89
5.6.110.0230.07320.98
5.6.100.0130.07020.88
5.6.90.0130.06321.06
5.6.80.0170.05720.28
5.5.350.0370.06320.34
5.5.340.0100.06717.93
5.5.330.0100.05320.45
5.5.320.0230.05320.41
5.5.310.0300.05320.20
5.5.300.0070.07017.95
5.5.290.0030.04017.91
5.5.280.0000.04720.66
5.5.270.0170.05020.77
5.5.260.0070.08020.86
5.5.250.0070.04720.54
5.5.240.0070.08020.21
5.4.450.0000.04319.41
5.4.440.0070.03719.11
5.4.430.0070.08019.32
5.4.420.0130.07319.11
5.4.410.0100.07719.34
5.4.400.0070.08019.14
5.4.390.0100.03719.14
5.4.380.0030.08019.18
5.4.370.0100.07319.08
5.4.360.0130.06719.12
5.4.350.0000.05319.18
5.4.340.0130.07318.91
5.4.320.0100.07718.81
5.4.310.0100.03719.12
5.4.300.0100.03318.78
5.4.290.0130.06718.78
5.4.280.0170.08019.13
5.4.270.0000.04719.05
5.4.260.0000.05319.07
5.4.250.0070.07719.13
5.4.240.0070.07019.01
5.4.230.0000.05719.02
5.4.220.0070.06319.19
5.4.210.0030.06019.13
5.4.200.0070.07018.78
5.4.190.0130.06019.13
5.4.180.0030.07019.06
5.4.170.0170.06019.20
5.4.160.0070.04318.89
5.4.150.0130.07319.12
5.4.140.0070.03316.34
5.4.130.0000.04016.35
5.4.120.0030.07716.16
5.4.110.0100.07316.27
5.4.100.0070.07316.39
5.4.90.0100.05016.30
5.4.80.0130.07016.34
5.4.70.0130.07016.37
5.4.60.0130.06016.16
5.4.50.0070.04316.20
5.4.40.0170.06316.14
5.4.30.0070.07016.13
5.4.20.0070.06716.13
5.4.10.0100.04316.25
5.4.00.0100.04015.82
5.3.290.0130.07014.70
5.3.280.0130.07314.48
5.3.270.0030.08014.56
5.3.260.0030.04014.55
5.3.250.0070.05314.55
5.3.240.0000.06014.64
5.3.230.0070.07314.54
5.3.220.0030.05314.56
5.3.210.0170.05714.46
5.3.200.0030.05714.51
5.3.190.0100.07314.50
5.3.180.0100.07314.50
5.3.170.0000.04714.55
5.3.160.0030.05314.53
5.3.150.0100.05314.52
5.3.140.0100.04014.54
5.3.130.0030.05014.48
5.3.120.0000.08314.50
5.3.110.0030.08014.50
5.3.100.0070.06713.95
5.3.90.0030.05013.93
5.3.80.0030.05714.00
5.3.70.0070.07314.13
5.3.60.0100.06014.04
5.3.50.0100.07313.89
5.3.40.0170.06713.89
5.3.30.0130.04713.90
5.3.20.0130.04713.59
5.3.10.0100.06313.68
5.3.00.0070.07713.59
5.2.170.0030.06711.05
5.2.160.0030.06311.09
5.2.150.0030.06011.06
5.2.140.0030.04311.15
5.2.130.0100.06011.07
5.2.120.0030.06311.03
5.2.110.0070.06311.01
5.2.100.0170.05311.08
5.2.90.0030.06711.02
5.2.80.0000.04710.97
5.2.70.0070.04311.19
5.2.60.0130.03311.01
5.2.50.0100.05711.11
5.2.40.0070.06010.94
5.2.30.0000.05010.92
5.2.20.0130.05010.98
5.2.10.0130.05010.88
5.2.00.0170.04710.68
5.1.60.0100.05010.02
5.1.50.0070.0409.91
5.1.40.0030.0439.89
5.1.30.0070.03010.27
5.1.20.0030.02710.39
5.1.10.0100.03710.14
5.1.00.0070.04710.07
5.0.50.0100.0409.32
5.0.40.0070.0439.32
5.0.30.0070.0609.32
5.0.20.0030.0409.32
5.0.10.0070.0279.32
5.0.00.0000.0639.32
4.4.90.0070.0339.32
4.4.80.0000.0209.32
4.4.70.0070.0309.32
4.4.60.0000.0379.32
4.4.50.0030.0339.32
4.4.40.0000.0579.32
4.4.30.0030.0379.32
4.4.20.0000.0409.32
4.4.10.0000.0179.32
4.4.00.0030.0579.32
4.3.110.0000.0409.32
4.3.100.0030.0339.32
4.3.90.0100.0209.32
4.3.80.0070.0379.32
4.3.70.0030.0209.32
4.3.60.0030.0339.32
4.3.50.0000.0379.32
4.3.40.0100.0439.32
4.3.30.0000.0309.32
4.3.20.0000.0179.32
4.3.10.0000.0179.32
4.3.00.0000.0379.32

preferences:
30.82 ms | 400 KiB | 5 Q