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', 500000); } 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)
7.3.120.0470.13020.79
7.3.110.0500.12420.71
7.3.100.0300.13920.48
7.3.90.0630.12320.48
7.3.80.0260.14620.53
7.3.70.0340.13420.34
7.3.60.0370.13320.59
7.3.50.0300.13820.50
7.3.40.0400.12520.59
7.3.30.0360.13920.06
7.3.20.0140.12522.63
7.3.10.0170.14122.57
7.3.00.0150.13622.56
7.2.240.0330.13520.73
7.2.230.0340.14520.62
7.2.220.0270.14420.67
7.2.210.0330.15520.71
7.2.200.0460.12120.66
7.2.190.0360.15220.40
7.2.180.0330.14320.30
7.2.170.0300.13820.76
7.2.160.0460.13820.52
7.2.150.0170.12522.86
7.2.140.0130.12522.96
7.2.130.0130.13022.89
7.2.120.0130.13122.95
7.2.110.0120.13622.80
7.2.100.0130.13022.83
7.2.90.0070.13723.03
7.2.80.0150.13322.69
7.2.70.0230.12422.87
7.2.60.0070.13622.75
7.2.50.0210.13522.99
7.2.40.0130.13022.88
7.2.30.0180.12023.05
7.2.20.0230.12822.83
7.2.10.0150.13922.89
7.2.00.0080.12922.82
7.1.330.0100.12721.76
7.1.320.0200.12021.91
7.1.310.0100.15421.81
7.1.300.0130.13021.48
7.1.290.0130.12521.78
7.1.280.0070.12721.75
7.1.270.0030.14621.73
7.1.260.0070.12921.74
7.1.250.0070.12921.65
7.1.70.0170.14623.16
7.1.60.0070.13223.21
7.1.50.2340.18822.77
7.1.00.0070.24728.19
7.0.200.1430.14621.02
7.0.140.0130.23028.10
7.0.70.0100.18327.80
7.0.60.0070.20327.64
7.0.50.0030.22728.05
7.0.40.0270.21722.12
7.0.30.0200.20322.12
7.0.20.0030.17022.08
7.0.10.0000.18722.13
7.0.00.0100.23322.13
5.6.280.0030.25326.46
5.6.220.0100.14328.32
5.6.210.0130.21324.99
5.6.200.0000.20025.99
5.6.190.0070.17025.29
5.6.180.0100.16725.92
5.6.170.0100.18325.67
5.6.160.0030.22028.89
5.6.150.0200.15728.69
5.6.140.0100.15026.30
5.6.130.0000.24026.59
5.6.120.0100.20026.15
5.6.110.0130.22325.83
5.6.100.0100.17725.66
5.6.90.0100.21725.48
5.6.80.0070.23024.45
5.6.70.0100.23325.79
5.6.60.0000.20025.70
5.6.50.0100.18726.04
5.6.40.0100.22725.70
5.6.30.0070.20325.57
5.6.20.0100.21725.86
5.6.10.0070.22025.64
5.6.00.0030.15025.42
5.5.360.0030.22725.11
5.5.350.0130.19325.81
5.5.340.0030.23326.22
5.5.330.0100.20025.13
5.5.320.0100.19726.35
5.5.310.0100.21325.43
5.5.300.0030.17026.69
5.5.290.0070.21725.97
5.5.280.0200.19325.54
5.5.270.0100.22725.19
5.5.260.0130.15728.44
5.5.250.0070.18026.22
5.5.240.0100.17025.77
5.5.230.0100.20024.78
5.5.220.0130.15325.25
5.5.210.0070.17725.73
5.5.200.0070.21325.46
5.5.190.0100.21728.02
5.5.180.0030.19024.73
5.5.160.0070.19324.44
5.5.150.0100.21724.75
5.5.140.0100.20725.73
5.5.130.0030.20025.59
5.5.120.0000.22725.74
5.5.110.0070.15025.56
5.5.100.0100.14725.60
5.5.90.0070.19724.46
5.5.80.0000.21024.39
5.5.70.0030.17324.63
5.5.60.0070.16725.43
5.5.50.0030.15025.61
5.5.40.0030.15024.55
5.5.30.0070.21025.67
5.5.20.0170.19727.80
5.5.10.0000.16725.24
5.5.00.0070.16324.27
5.4.450.0070.22724.77
5.4.440.0000.17724.40
5.4.430.0030.23323.60
5.4.420.0070.22724.15
5.4.410.0100.21324.07
5.4.400.0130.20026.84
5.4.390.0070.20324.05
5.4.380.0100.19324.26
5.4.370.0000.23023.29
5.4.360.0100.16724.70
5.4.350.0000.23024.25
5.4.340.0170.17324.40
5.4.320.0000.15324.09
5.4.310.0070.17023.82
5.4.300.0070.19724.43
5.4.290.0070.19024.65
5.4.280.0030.20324.15
5.4.270.0070.15326.65
5.4.260.0100.21323.80
5.4.250.0030.23023.79
5.4.240.0000.19323.80
5.4.230.0070.23324.51
5.4.220.0070.16724.41
5.4.210.0030.16324.20
5.4.200.0070.15023.71
5.4.190.0070.19324.26
5.4.180.0070.17023.45
5.4.170.0030.18024.32
5.4.160.0000.15326.76
5.4.150.0000.19026.68
5.4.140.0030.23322.20
5.4.130.0070.20020.92
5.4.120.0000.16721.76
5.4.110.0000.16721.27
5.4.100.0030.14721.85
5.4.90.0030.17021.09
5.4.80.0000.13321.54
5.4.70.0070.15024.22
5.4.60.0070.14022.14
5.4.50.0000.15021.89
5.4.40.0070.15021.81
5.4.30.0070.14721.67
5.4.20.0000.15021.17
5.4.10.0000.17021.55
5.4.00.0030.14321.50
5.3.290.0070.19719.87
5.3.280.0030.21020.05
5.3.270.0030.18318.69
5.3.260.0070.17319.77
5.3.250.0070.20019.82
5.3.240.0100.19319.56
5.3.230.0070.17718.81
5.3.220.0070.23319.45
5.3.210.0070.16019.81
5.3.200.0000.13722.36
5.3.190.0000.13018.65
5.3.180.0030.12720.10
5.3.170.0130.17719.86
5.3.160.0030.13319.74
5.3.150.0000.19019.29
5.3.140.0100.21019.82
5.3.130.0030.12319.61
5.3.120.0030.12319.33
5.3.110.0030.10319.42
5.3.100.0030.16319.33
5.3.90.0030.14318.87
5.3.80.0030.10318.59
5.3.70.0100.09719.08
5.3.60.0030.15018.43
5.3.50.0000.10719.07
5.3.40.0070.17017.81
5.3.30.0000.16019.17
5.3.20.0030.16721.53
5.3.10.0070.12318.93
5.3.00.0030.12318.79
5.2.170.0000.10015.48
5.2.160.0030.10315.68
5.2.150.0000.10015.79
5.2.140.0030.09716.17
5.2.130.0030.11319.04
5.2.120.0030.11316.23
5.2.110.0070.13316.54
5.2.100.0070.11016.61
5.2.90.0070.11016.99
5.2.80.0030.09716.41
5.2.70.0030.13716.02
5.2.60.0070.18315.93
5.2.50.0070.18316.26
5.2.40.0100.16718.85
5.2.30.0070.16016.15
5.2.20.0030.19018.64
5.2.10.0130.23015.96
5.2.00.0070.17318.60
5.1.60.0000.16715.40
5.1.50.0030.17316.02
5.1.40.0070.16015.27
5.1.30.0030.14014.63
5.1.20.0130.10315.67
5.1.10.0130.17015.55
5.1.00.0070.04312.18
5.0.50.0170.15012.99
5.0.40.0030.15014.22
5.0.30.0070.21316.08
5.0.20.0200.16712.71
5.0.10.0030.18013.22
5.0.00.0130.22713.04
4.4.90.0000.02012.18
4.4.80.0000.03012.18
4.4.70.0000.03712.18
4.4.60.0030.02012.18
4.4.50.0000.03012.18
4.4.40.0000.03712.18
4.4.30.0000.03712.18
4.4.20.0000.03712.18
4.4.10.0030.03312.18
4.4.00.0030.05712.18
4.3.110.0000.03712.18
4.3.100.0000.03312.18
4.3.90.0030.03012.18
4.3.80.0000.05312.18
4.3.70.0000.03712.18
4.3.60.0000.03712.18
4.3.50.0070.03012.18
4.3.40.0000.05712.18
4.3.30.0000.04012.18
4.3.20.0030.03312.18
4.3.10.0000.03712.18
4.3.00.0000.03312.18

preferences:
38.18 ms | 401 KiB | 5 Q