3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ln = 1000; $a = array(); $b = array(); for ($i = 0; $i < $ln; $i++) { $a[] = 10000 + $i; $b[md5($i)] = 20000 + $i; } $s = microtime(true); $r1 = array_merge($a, array_values($b)); var_dump('merge + values = ' . (1000*($s - microtime(true)))); $s = microtime(true); foreach ($b as $x) { $a[] = $x; } var_dump('foreach = ' . (1000*($s - microtime(true)))); var_dump($r1 === $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)
7.4.10.0030.01715.39
7.4.00.0100.01015.19
7.3.130.0060.01214.93
7.3.120.0120.00215.16
7.3.110.0130.00715.32
7.3.100.0000.01415.01
7.3.90.0040.01114.86
7.3.80.0060.00915.29
7.3.70.0000.00915.16
7.3.60.0030.01014.80
7.3.50.0030.01315.14
7.3.40.0130.00315.11
7.3.30.0080.00815.15
7.3.20.0060.01016.75
7.3.10.0040.01416.75
7.3.00.0060.00916.79
7.2.260.0060.01215.24
7.2.250.0060.01215.40
7.2.240.0030.01315.24
7.2.230.0100.00715.07
7.2.220.0070.00715.32
7.2.210.0080.00615.23
7.2.200.0000.01515.17
7.2.190.0040.00915.34
7.2.180.0120.00315.08
7.2.170.0060.01015.23
7.2.160.0030.01315.42
7.2.150.0060.00917.06
7.2.140.0030.01216.66
7.2.130.0030.00917.02
7.2.120.0060.00617.00
7.2.110.0070.00317.00
7.2.100.0040.00716.91
7.2.90.0100.00616.98
7.2.80.0070.01016.69
7.2.70.0130.00017.02
7.2.60.0030.01016.98
7.2.50.0060.01016.91
7.2.40.0090.00616.82
7.2.30.0030.01217.04
7.2.20.0030.01316.77
7.2.10.0000.01917.01
7.2.00.0060.00818.19
7.1.330.0030.01315.76
7.1.320.0000.01215.64
7.1.310.0060.00915.77
7.1.300.0000.01415.55
7.1.290.0040.00915.95
7.1.280.0060.00915.92
7.1.270.0060.00615.89
7.1.260.0050.00516.03
7.1.250.0070.01015.86
7.1.240.0040.01115.45
7.1.230.0000.01315.92
7.1.220.0060.00615.93
7.1.210.0030.01215.56
7.1.200.0070.00715.95
7.1.190.0090.00616.02
7.1.180.0100.00315.68
7.1.170.0000.01315.61
7.1.160.0030.01315.79
7.1.150.0000.01215.63
7.1.140.0070.01015.94
7.1.130.0000.01315.87
7.1.120.0070.00715.63
7.1.110.0030.01215.52
7.1.100.0000.01615.52
7.1.90.0030.00915.85
7.1.80.0130.00315.86
7.1.70.0020.00916.46
7.1.60.0090.00917.58
7.1.50.0050.01116.42
7.1.40.0040.01115.95
7.1.30.0000.01415.93
7.1.20.0000.01515.88
7.1.10.0030.01015.61
7.1.00.0050.03719.04
7.0.330.0110.00415.39
7.0.320.0060.00915.16
7.0.310.0070.00715.29
7.0.300.0040.00715.51
7.0.290.0070.01015.61
7.0.280.0000.01515.49
7.0.270.0070.00715.17
7.0.260.0070.01115.44
7.0.250.0060.00615.55
7.0.240.0000.01815.22
7.0.230.0100.00315.41
7.0.220.0040.01115.45
7.0.210.0000.01015.46
7.0.200.0060.00516.22
7.0.190.0070.00715.60
7.0.180.0030.00915.49
7.0.170.0060.00315.33
7.0.160.0040.01415.14
7.0.150.0110.00415.45
7.0.140.0100.03318.84
7.0.130.0000.01615.47
7.0.120.0020.02218.76
7.0.110.0030.01215.39
7.0.100.0070.00715.32
7.0.90.0030.00815.35
7.0.80.0130.00015.39
7.0.70.0060.00915.61
7.0.60.0130.03517.99
7.0.50.0020.02616.73
7.0.40.0220.03816.91
7.0.30.0230.04016.89
7.0.20.0200.04516.84
7.0.10.0230.03816.85
7.0.00.0190.02217.05
5.6.400.0030.00714.83
5.6.390.0070.01015.04
5.6.380.0000.01014.78
5.6.370.0040.01214.72
5.6.360.0030.00815.13
5.6.350.0070.00714.94
5.6.340.0070.01014.85
5.6.330.0040.01414.62
5.6.320.0000.01714.95
5.6.310.0080.00814.71
5.6.300.0030.01215.30
5.6.290.0100.01015.17
5.6.280.0020.04718.17
5.6.270.0000.01714.83
5.6.260.0040.01214.93
5.6.250.0000.01515.12
5.6.240.0040.01114.82
5.6.230.0060.00915.18
5.6.220.0060.00914.96
5.6.210.0070.04218.09
5.6.200.0080.02316.82
5.6.190.0150.04617.92
5.6.180.0130.04618.03
5.6.170.0170.03317.87
5.6.160.0170.02717.78
5.6.150.0180.04317.87
5.6.140.0200.04017.73
5.6.130.0130.03517.86
5.6.120.0250.03817.68
5.6.110.0230.04017.79
5.6.100.0220.04317.74
5.6.90.0160.03117.82
5.6.80.0190.03017.68
5.6.70.0200.04017.60
5.6.60.0130.03917.32
5.6.50.0170.04317.60
5.6.40.0220.04017.48
5.6.30.0170.02817.50
5.6.20.0150.04117.47
5.6.10.0190.04217.42
5.6.00.0170.02717.72
5.5.380.0000.01715.21
5.5.370.0100.00715.01
5.5.360.0130.00314.74
5.5.350.0270.03518.11
5.5.340.0070.02716.63
5.5.330.0220.03317.83
5.5.320.0200.04417.78
5.5.310.0170.04717.81
5.5.300.0170.03717.71
5.5.290.0200.03017.71
5.5.280.0170.03517.71
5.5.270.0200.04517.56
5.5.260.0200.02417.83
5.5.250.0180.04017.58
5.5.240.0170.04617.53
5.5.230.0180.04317.38
5.5.220.0200.04417.34
5.5.210.0180.04317.25
5.5.200.0150.03317.40
5.5.190.0150.02617.37
5.5.180.0170.03317.26
5.5.170.0060.01314.77
5.5.160.0150.03217.25
5.5.150.0150.02517.22
5.5.140.0180.03317.31
5.5.130.0170.04517.53
5.5.120.0180.04117.36
5.5.110.0130.05017.51
5.5.100.0170.04517.44
5.5.90.0230.04017.43
5.5.80.0280.02817.32
5.5.70.0220.03817.36
5.5.60.0200.03317.31
5.5.50.0190.04217.24
5.5.40.0220.02017.27
5.5.30.0180.04117.45
5.5.20.0130.02817.40
5.5.10.0180.04517.35
5.5.00.0170.04417.38
5.4.450.0200.02516.73
5.4.440.0170.02316.68
5.4.430.0190.02916.68
5.4.420.0190.03916.72
5.4.410.0130.02516.71
5.4.400.0130.02516.57
5.4.390.0180.03816.41
5.4.380.0130.03416.55
5.4.370.0130.03716.61
5.4.360.0260.03416.48
5.4.350.0230.03516.58
5.4.340.0190.04216.47
5.4.330.0000.01113.58
5.4.320.0180.04316.54
5.4.310.0250.03016.47
5.4.300.0150.04316.48
5.4.290.0130.03216.61
5.4.280.0200.03616.50
5.4.270.0200.03816.60
5.4.260.0190.03216.60
5.4.250.0180.02816.56
5.4.240.0220.03516.61
5.4.230.0260.02216.52
5.4.220.0200.03816.52
5.4.210.0170.03816.58
5.4.200.0130.04616.56
5.4.190.0110.03216.56
5.4.180.0160.02916.48
5.4.170.0180.04116.56
5.4.160.0190.04216.53
5.4.150.0150.04516.57
5.4.140.0160.03615.22
5.4.130.0100.04415.18
5.4.120.0170.03915.16
5.4.110.0210.03615.22
5.4.100.0220.03515.17
5.4.90.0170.04015.15
5.4.80.0170.03915.22
5.4.70.0200.03015.18
5.4.60.0150.02815.13
5.4.50.0170.03915.21
5.4.40.0170.02715.16
5.4.30.0150.02215.21
5.4.20.0160.03915.21
5.4.10.0150.03215.18
5.4.00.0220.03114.91
5.3.290.0210.03114.38
5.3.280.0170.04314.39
5.3.270.0180.03614.35
5.3.260.0250.03514.38
5.3.250.0170.04014.40
5.3.240.0210.03814.38
5.3.230.0180.03714.41
5.3.220.0230.03714.33
5.3.210.0190.03514.38
5.3.200.0120.04814.36
5.3.190.0180.04314.33
5.3.180.0150.04114.36
5.3.170.0120.02814.37
5.3.160.0170.04114.39
5.3.150.0220.03214.38
5.3.140.0180.04114.31
5.3.130.0200.03414.37
5.3.120.0220.03814.45
5.3.110.0170.03714.45
5.3.100.0170.03814.12
5.3.90.0180.03714.11
5.3.80.0100.02914.11
5.3.70.0150.03414.11
5.3.60.0160.03514.03
5.3.50.0180.02914.08
5.3.40.0200.03414.11
5.3.30.0150.04114.01
5.3.20.0180.02213.94
5.3.10.0130.04313.93
5.3.00.0260.02813.88
5.2.170.0270.05312.85
5.2.160.0230.05012.85
5.2.150.0230.06312.85
5.2.140.0230.06012.85
5.2.130.0300.02712.85
5.2.120.0300.05712.85
5.2.110.0270.05712.85
5.2.100.0330.05012.85
5.2.90.0200.03012.85
5.2.80.0330.05012.85
5.2.70.0300.04312.85
5.2.60.0270.05712.85
5.2.50.0200.06012.85
5.2.40.0230.04712.85
5.2.30.0270.05312.85
5.2.20.0230.03012.85
5.2.10.0270.05012.85
5.2.00.0200.06012.85
5.1.60.0130.03712.85
5.1.50.0170.05712.85
5.1.40.0230.02712.85
5.1.30.0230.05712.85
5.1.20.0270.05712.85
5.1.10.0270.05312.85
5.1.00.0270.05312.85
5.0.50.0130.05312.85
5.0.40.0130.04712.85
5.0.30.0170.04712.85
5.0.20.0130.04012.85
5.0.10.0100.04312.85
5.0.00.0130.04012.85
4.4.90.0070.04712.85
4.4.80.0130.03712.85
4.4.70.0130.03712.85
4.4.60.0100.01712.85
4.4.50.0100.01712.85
4.4.40.0170.05312.85
4.4.30.0100.03712.85
4.4.20.0070.04312.85
4.4.10.0100.04012.85
4.4.00.0130.05712.85
4.3.110.0170.03712.85
4.3.100.0130.03012.85
4.3.90.0100.04012.85
4.3.80.0070.02712.85
4.3.70.0070.01712.85
4.3.60.0070.01712.85
4.3.50.0030.02312.85
4.3.40.0070.02712.85
4.3.30.0000.02012.85
4.3.20.0070.01712.85
4.3.10.0070.02012.85
4.3.00.0030.01712.85

preferences:
32.66 ms | 401 KiB | 5 Q