3v4l.org

run code in 300+ PHP versions simultaneously
<?php $max = 1000000;     $arr = range(1,$max,3);     $arr2 = range(1,$max,2);     $arr = array_merge($arr,$arr2);     $time = -microtime(true);     $res1 = array_unique($arr);     $time += microtime(true);     echo "deduped to ".count($res1)." in ".$time;     // deduped to 666667 in 32.300781965256     $time = -microtime(true);     $res2 = array();     foreach($arr as $key=>$val) {            $res2[$val] = true;     }     $res2 = array_keys($res2);     $time += microtime(true);     echo "<br />deduped to ".count($res2)." in ".$time;     // deduped to 666667 in 0.84372591972351 

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)
5.4.310.0100.04312.49
5.4.300.0100.04012.50
5.4.290.0110.04312.50
5.4.280.0080.03412.39
5.4.270.0090.03612.39
5.4.260.0060.04012.39
5.4.250.0070.03612.39
5.4.240.0090.04312.39
5.4.230.0090.04312.38
5.4.220.0070.03612.38
5.4.210.0100.03612.38
5.4.200.0100.03812.38
5.4.190.0070.03712.38
5.4.180.0060.03512.38
5.4.170.0050.03712.38
5.4.160.0040.03712.38
5.4.150.0090.03312.38
5.4.140.0040.03812.07
5.4.130.0050.03812.05
5.4.120.0080.03212.02
5.4.110.0080.04112.02
5.4.100.0060.04112.01
5.4.90.0050.04112.01
5.4.80.0080.04012.01
5.4.70.0090.03312.00
5.4.60.0050.03912.00
5.4.50.0040.03612.01
5.4.40.0080.03512.00
5.4.30.0040.03611.99
5.4.20.0050.03911.99
5.4.10.0060.03311.99
5.4.00.0020.03811.48
5.3.280.0050.03812.71
5.3.270.0060.03812.72
5.3.260.0070.03612.71
5.3.250.0080.04312.72
5.3.240.0070.03912.72
5.3.230.0060.03812.71
5.3.220.0080.03812.68
5.3.210.0070.04512.68
5.3.200.0060.04212.68
5.3.190.0050.04712.68
5.3.180.0100.03712.67
5.3.170.0040.04912.67
5.3.160.0050.04212.67
5.3.150.0100.04312.67
5.3.140.0080.04512.66
5.3.130.0070.04312.66
5.3.120.0060.04012.66
5.3.110.0110.04212.66
5.3.100.0080.04412.12
5.3.90.0090.04512.08
5.3.80.0070.03412.08
5.3.70.0030.03912.07
5.3.60.0060.03812.06
5.3.50.0020.04012.01
5.3.40.0090.03612.00
5.3.30.0080.03711.95
5.3.20.0080.04211.72
5.3.10.0150.03311.70
5.3.00.0080.04611.68
5.2.170.0020.0359.18
5.2.160.0080.0289.19
5.2.150.0070.0309.18
5.2.140.0040.0339.18
5.2.130.0100.0299.14
5.2.120.0030.0479.14
5.2.110.0080.0299.14
5.2.100.0120.0379.14
5.2.90.0040.0329.14
5.2.80.0040.0319.14
5.2.70.0040.0389.14
5.2.60.0030.0379.09
5.2.50.0020.0379.06
5.2.40.0020.0389.04
5.2.30.0060.0329.02
5.2.20.0090.0379.00
5.2.10.0020.0318.93
5.2.00.0030.0318.78
5.1.60.0070.0288.06
5.1.50.0070.0218.06
5.1.40.0060.0318.05
5.1.30.0020.0308.40
5.1.20.0050.0318.42
5.1.10.0060.0358.14
5.1.00.0020.0278.14
5.0.50.0020.0266.63
5.0.40.0040.0276.48
5.0.30.0040.0396.29
5.0.20.0040.0216.27
5.0.10.0040.0266.25
5.0.00.0030.0346.24
4.4.90.0030.0274.77
4.4.80.0030.0164.76
4.4.70.0020.0224.76
4.4.60.0060.0164.75
4.4.50.0050.0154.77
4.4.40.0030.0254.71
4.4.30.0030.0274.75
4.4.20.0040.0174.85
4.4.10.0060.0144.85
4.4.00.0030.0274.76
4.3.110.0050.0214.67
4.3.100.0020.0194.66
4.3.90.0030.0154.63
4.3.80.0050.0284.59
4.3.70.0030.0204.63
4.3.60.0080.0174.62
4.3.50.0080.0174.63
4.3.40.0020.0294.54
4.3.30.0030.0203.29
4.3.20.0030.0203.26
4.3.10.0010.0193.22
4.3.00.0070.01715.17

preferences:
139.4 ms | 1394 KiB | 7 Q