3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "I am working in retailon"; $spaceCount = substr_count($str, " "); $letterIndx = 0; for($i=0; $i<=$spaceCount; $i++) { $spaceIndx = strpos($str, " ", $letterIndx); if ($spaceIndx == 0) { $word = substr($str, $letterIndx); } else { $word = substr($str, $letterIndx, $spaceIndx - $letterIndx); } $myArray[] = $word; $letterIndx = $spaceIndx + 1; } $reverse = array_reverse($myArray); foreach($reverse as $rev) { echo $rev." "; } echo str_word_count("\n" $str); ?>

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)
5.4.340.0050.04712.01
5.4.320.0110.05012.50
5.4.310.0050.04812.50
5.4.300.0030.04012.50
5.4.290.0080.04312.49
5.4.280.0100.03412.39
5.4.270.0090.04112.39
5.4.260.0050.04412.39
5.4.250.0090.03812.39
5.4.240.0080.03612.39
5.4.230.0060.04312.39
5.4.220.0090.03512.38
5.4.210.0080.03412.38
5.4.200.0050.04112.39
5.4.190.0080.03512.38
5.4.180.0070.03512.38
5.4.170.0050.04812.39
5.4.160.0060.04012.38
5.4.150.0040.04812.38
5.4.140.0060.04612.07
5.4.130.0070.03812.05
5.4.120.0120.03412.02
5.4.110.0070.03712.01
5.4.100.0060.03512.02
5.4.90.0030.04112.02
5.4.80.0060.03712.02
5.4.70.0080.04212.02
5.4.60.0080.04112.01
5.4.50.0030.03912.01
5.4.40.0040.03712.00
5.4.30.0080.03412.00
5.4.20.0030.03911.99
5.4.10.0090.03312.00
5.4.00.0060.03911.48
5.3.290.0100.04912.80
5.3.280.0080.04212.71
5.3.270.0090.03812.73
5.3.260.0090.04112.72
5.3.250.0080.03612.72
5.3.240.0070.03612.72
5.3.230.0080.03512.71
5.3.220.0100.03312.68
5.3.210.0030.04212.68
5.3.200.0090.04612.68
5.3.190.0090.04312.68
5.3.180.0130.04112.67
5.3.170.0070.04012.67
5.3.160.0090.04012.68
5.3.150.0090.03712.67
5.3.140.0130.04012.66
5.3.130.0110.04012.66
5.3.120.0110.03512.66
5.3.110.0090.03612.66
5.3.100.0060.03912.12
5.3.90.0060.03712.08
5.3.80.0070.03612.08
5.3.70.0060.03612.07
5.3.60.0070.03712.07
5.3.50.0110.03112.00
5.3.40.0070.03612.00
5.3.30.0100.03711.95
5.3.20.0070.03411.73
5.3.10.0030.03911.70
5.3.00.0070.03611.69
5.2.170.0030.0329.18
5.2.160.0060.0289.19
5.2.150.0040.0319.18
5.2.140.0030.0339.18
5.2.130.0080.0309.14
5.2.120.0040.0309.14
5.2.110.0060.0299.15
5.2.100.0080.0329.15
5.2.90.0100.0379.15
5.2.80.0070.0369.14
5.2.70.0080.0419.14
5.2.60.0100.0329.09
5.2.50.0040.0349.06
5.2.40.0060.0299.04
5.2.30.0070.0339.01
5.2.20.0090.0299.00
5.2.10.0050.0308.93
5.2.00.0030.0358.79
5.1.60.0050.0288.07
5.1.50.0040.0308.07
5.1.40.0070.0338.05
5.1.30.0060.0248.40
5.1.20.0040.0278.43
5.1.10.0040.0268.15
5.1.00.0040.0268.15
5.0.50.0030.0216.63
5.0.40.0030.0226.50
5.0.30.0020.0336.30
5.0.20.0050.0176.28
5.0.10.0040.0196.25
5.0.00.0030.0316.25
4.4.90.0030.0154.77
4.4.80.0010.0174.76
4.4.70.0030.0194.76
4.4.60.0030.0214.76
4.4.50.0040.0214.77
4.4.40.0040.0334.70
4.4.30.0040.0154.76
4.4.20.0030.0154.84
4.4.10.0010.0174.85
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0050.0134.66
4.3.90.0040.0144.63
4.3.80.0050.0244.58
4.3.70.0040.0204.63
4.3.60.0030.0224.62
4.3.50.0020.0164.63
4.3.40.0040.0244.53
4.3.30.0020.0163.30
4.3.20.0010.0173.27
4.3.10.0020.0163.23
4.3.00.0030.0236.99

preferences:
143.64 ms | 1394 KiB | 7 Q