3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ValueEncoder { public function encode($value) { $result = urlencode($value); return $result; } } class ValueDecoder { public function decode($value) { $result = urldecode($value); return $result; } } class RefEncoder { public function encode(&$value) { $value = urlencode($value); } } class RefDecoder { public function decode(&$value) { $value = urldecode($value); } } function genData() { return str_repeat('test', 2000000); } function valueTranscode() { $data = genData(); $encoder = new ValueEncoder(); $decoder = new ValueDecoder(); $data = $encoder->encode($data); $data = $decoder->decode($data); $data = strlen($data); } function refTranscode() { $data = genData(); $encoder = new RefEncoder(); $decoder = new RefDecoder(); $encoder->encode($data); $decoder->decode($data); $data = strlen($data); } $isRef = isset($argv[1]) && 'ref' === $argv[1]; echo ($isRef ? 'Ref: ' : 'Value: '); $s = microtime(true); for ($i = 0; $i < 20; ++$i) { if ($isRef) { refTranscode(); } else { valueTranscode(); } } $d = microtime(true) - $s; echo number_format($d, 2) . ' s, '; #echo number_format(memory_get_peak_usage(true)/1000/1000,2) . ' MB'. PHP_EOL;

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)
7.1.70.0430.52432.37
7.1.60.0600.54533.08
7.1.50.0670.47032.68
7.1.00.0630.52737.87
7.0.202.0880.41331.95
7.0.140.0630.59737.55
7.0.70.0630.52737.23
7.0.60.0330.55037.39
7.0.50.0730.56337.50
7.0.40.0330.51335.64
7.0.30.0500.60335.57
7.0.20.0500.56035.61
7.0.10.0470.54035.64
7.0.00.0630.58735.62
5.6.280.0070.62737.95
5.6.220.0100.54337.07
5.6.210.0130.52336.77
5.6.200.0070.52037.85
5.6.190.0070.47337.27
5.6.180.0100.44036.67
5.6.170.0170.53037.03
5.6.160.0170.56037.24
5.6.150.0130.59738.16
5.6.140.0030.56337.74
5.6.130.0000.59737.90
5.6.120.0200.54037.98
5.6.110.0100.57037.71
5.6.100.0130.52336.78
5.6.90.0130.46338.02
5.6.80.0130.53036.35
5.6.70.0070.56736.81
5.6.60.0100.40336.03
5.6.50.0170.54337.48
5.6.40.0000.42736.68
5.6.30.0030.49336.94
5.6.20.0070.41336.26
5.6.10.0100.41336.94
5.6.00.0100.50336.79
5.5.360.0030.55336.72
5.5.350.0030.57337.44
5.5.340.0130.49037.29
5.5.330.0100.55737.79
5.5.320.0130.50037.04
5.5.310.0070.54736.54
5.5.300.0070.43038.07
5.5.290.0200.53336.98
5.5.280.0070.54336.88
5.5.270.0030.49736.80
5.5.260.0200.55736.86
5.5.250.0000.52737.71
5.5.240.0100.54736.65
5.5.230.0100.55036.90
5.5.220.0030.58337.30
5.5.210.0370.47737.20
5.5.200.0070.53036.16
5.5.190.0100.44736.01
5.5.180.0070.47036.49
5.5.160.0070.52736.52
5.5.150.0100.50737.12
5.5.140.0100.51336.50
5.5.130.0200.56738.70
5.5.120.0100.42337.28
5.5.110.0000.50036.78
5.5.100.0070.53336.96
5.5.90.0030.41336.94
5.5.80.0030.48736.98
5.5.70.0000.42335.81
5.5.60.0000.45337.34
5.5.50.0100.45336.38
5.5.40.0170.56036.27
5.5.30.0070.54036.36
5.5.20.0270.54336.09
5.5.10.0070.55038.62
5.5.00.0130.52337.29
5.4.450.0100.57036.32
5.4.440.0070.57736.18
5.4.430.0130.54736.68
5.4.420.0100.54335.57
5.4.410.0170.56035.79
5.4.400.0000.42335.82
5.4.390.0070.53036.16
5.4.380.0030.42735.04
5.4.370.0070.44035.41
5.4.360.0030.51737.46
5.4.350.0000.53335.73
5.4.340.0030.57035.79
5.4.320.0170.54735.59
5.4.310.0070.52035.80
5.4.300.0070.52736.14
5.4.290.0000.48035.45
5.4.280.0070.45035.17
5.4.270.0030.48734.80
5.4.260.0370.39336.26
5.4.250.0130.41336.03
5.4.240.0030.49038.03
5.4.230.0100.41737.84
5.4.220.0070.40036.12
5.4.210.0130.53035.79
5.4.200.0070.47334.63
5.4.190.0070.57036.03
5.4.180.0070.53036.43
5.4.170.0070.52036.11
5.4.160.0000.53034.96
5.4.150.0170.54735.73
5.4.140.0100.54033.60
5.4.130.0070.51332.51
5.4.120.0100.55732.23
5.4.110.0070.54333.32
5.4.100.0100.51332.68
5.4.90.0000.57732.34
5.4.80.0130.55735.12
5.4.70.0030.53032.43
5.4.60.0170.52333.17
5.4.50.0100.51035.16
5.4.40.0030.57032.27
5.4.30.0130.51733.29
5.4.20.0030.51332.60
5.4.10.0170.53033.39
5.4.00.0130.54332.21
5.3.290.0070.54733.44
5.3.280.0030.41333.09
5.3.270.0100.41331.77
5.3.260.0170.48333.32
5.3.250.0030.46333.25
5.3.240.0130.49031.73
5.3.230.0070.48731.85
5.3.220.0070.65730.53
5.3.210.0130.43730.48
5.3.200.0170.44730.81
5.3.190.0100.47733.06
5.3.180.0070.42729.88
5.3.170.0030.65331.09
5.3.160.0100.42731.20
5.3.150.0070.45330.13
5.3.140.0130.57731.61
5.3.130.0100.44730.14
5.3.120.0070.39731.59
5.3.110.0100.44331.26
5.3.100.0130.63030.36
5.3.90.0070.43331.30
5.3.80.0070.46331.14
5.3.70.0100.46731.14
5.3.60.0200.40029.49
5.3.50.0100.41330.87
5.3.40.0070.46332.19
5.3.30.0100.44032.24
5.3.20.0130.46331.04
5.3.10.0100.47329.30
5.3.00.0100.46029.95
5.2.170.0170.42329.92
5.2.160.0100.44727.26
5.2.150.0170.46328.21
5.2.140.0030.45328.33
5.2.130.0100.43027.32
5.2.120.0170.43028.27
5.2.110.0030.45728.00
5.2.100.0100.46327.85
5.2.90.0000.42729.80
5.2.80.0100.35730.05
5.2.70.0000.42327.85
5.2.60.0030.33327.18
5.2.50.0070.41326.96
5.2.40.0070.44027.88
5.2.30.0100.38027.36
5.2.20.0070.45727.67
5.2.10.0100.61026.90
5.2.00.0100.46726.78
5.1.60.0100.37726.98
5.1.50.0070.46725.82
5.1.40.0070.39326.21
5.1.30.0200.45727.32
5.1.20.0170.47027.70
5.1.10.0230.44726.24
5.1.00.0000.05712.18
5.0.50.0130.43025.25
5.0.40.0030.39324.83
5.0.30.0030.57726.79
5.0.20.0070.45024.63
5.0.10.0170.42325.18
5.0.00.0070.65023.89
4.4.90.0000.02312.18
4.4.80.0030.03712.18
4.4.70.0000.03312.18
4.4.60.0000.03712.18
4.4.50.0030.03312.18
4.4.40.0030.04712.18
4.4.30.0000.02312.18
4.4.20.0030.03312.18
4.4.10.0000.04012.18
4.4.00.0000.03012.18
4.3.110.0000.03312.18
4.3.100.0000.03712.18
4.3.90.0000.03712.18
4.3.80.0030.05312.18
4.3.70.0000.03712.18
4.3.60.0030.03012.18
4.3.50.0000.03712.18
4.3.40.0030.05012.18
4.3.30.0030.02712.18
4.3.20.0000.03312.18
4.3.10.0000.03712.18
4.3.00.0000.02712.18

preferences:
39.2 ms | 400 KiB | 5 Q