3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Thesaurus { protected $synonyms = array( array( ), array('look', 'see', 'observe') ); public function lookup($word) { foreach ($this->synonyms as $index => $synonym) { if (in_array(strtolower($word), $synonym)) { unset($synonym[ $index ]); print_r($synonym); exit; return $synonym[ array_rand($synonym) ]; } } return $word; } } class Transformer { protected $thesaurus; public function __construct(Thesaurus $thesaurus) { $this->thesaurus = $thesaurus; } public function transform($string) { foreach (str_word_count($string, 1) as $word) { $string = $this->replace($word, $this->thesaurus->lookup($word), $string); } return $string; } private function replace($needle, $replacement, $haystack) { return preg_replace( '~' . preg_quote($needle, '~') . '~i', $replacement, $haystack, 1 ); } } $transformer = new Transformer(new Thesaurus); foreach (range(1, 20) as $index) { echo $transformer->transform('This is my great description. It really is wonderful. Look how wonderful it is.'), 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)
7.2.00.0000.01219.45
7.1.100.0120.00017.86
7.1.70.0030.01017.42
7.1.60.0040.01119.70
7.1.50.0090.01517.09
7.1.00.0000.08022.56
7.0.200.0060.00316.96
7.0.140.0000.07722.08
7.0.100.0200.07020.00
7.0.90.0070.08319.96
7.0.80.0030.07020.00
7.0.70.0100.06320.01
7.0.60.0070.07319.91
7.0.50.0130.05320.32
7.0.40.0070.04320.13
7.0.30.0100.07720.13
7.0.20.0070.08320.18
7.0.10.0170.07020.19
7.0.00.0070.05320.03
5.6.280.0030.07320.91
5.6.250.0070.08020.73
5.6.240.0270.06320.64
5.6.230.0170.07020.67
5.6.220.0170.07020.61
5.6.210.0070.08320.64
5.6.200.0170.04721.06
5.6.190.0070.06720.97
5.6.180.0000.05021.12
5.6.170.0030.08321.07
5.6.160.0100.07021.11
5.6.150.0100.04721.01
5.6.140.0100.07721.12
5.6.130.0130.06721.06
5.6.120.0100.08721.05
5.6.110.0130.04021.07
5.6.100.0030.08721.01
5.6.90.0070.05720.95
5.6.80.0170.07320.53
5.6.70.0070.08320.44
5.6.60.0030.08320.46
5.6.50.0130.06320.57
5.6.40.0030.07020.43
5.6.30.0030.08020.41
5.6.20.0170.07020.37
5.6.10.0170.07320.31
5.6.00.0030.08720.38
5.5.380.0100.07320.56
5.5.370.0130.04020.58
5.5.360.0070.04320.45
5.5.350.0070.08720.39
5.5.340.0130.06720.75
5.5.330.0100.04720.84
5.5.320.0130.08020.77
5.5.310.0100.08020.73
5.5.300.0100.08020.74
5.5.290.0100.08720.77
5.5.280.0070.08020.90
5.5.270.0100.08020.93
5.5.260.0030.08320.89
5.5.250.0130.07020.70
5.5.240.0030.08320.30
5.5.230.0200.04020.23
5.5.220.0000.05020.27
5.5.210.0100.07320.25
5.5.200.0130.05020.24
5.5.190.0100.07320.22
5.5.180.0070.08320.28
5.5.160.0070.08320.20
5.5.150.0070.08320.25
5.5.140.0100.06720.16
5.5.130.0100.07720.26
5.5.120.0070.07720.09
5.5.110.0230.06320.22
5.5.100.0030.08020.11
5.5.90.0030.06020.18
5.5.80.0000.08020.05
5.5.70.0030.08719.95
5.5.60.0100.07020.07
5.5.50.0170.07020.07
5.5.40.0030.05719.97
5.5.30.0100.07719.94
5.5.20.0000.07020.05
5.5.10.0100.07320.04
5.5.00.0070.05719.98
5.4.450.0030.08719.38
5.4.440.0070.08019.46
5.4.430.0070.08019.53
5.4.420.0130.07019.36
5.4.410.0100.04019.38
5.4.400.0130.07319.05
5.4.390.0070.07319.04
5.4.380.0100.07318.90
5.4.370.0000.08018.84
5.4.360.0130.07019.09
5.4.350.0130.07019.21
5.4.340.0070.07719.03
5.4.320.0170.07019.04
5.4.310.0170.06019.04
5.4.300.0100.04019.23
5.4.290.0130.07019.12
5.4.280.0030.07718.88
5.4.270.0100.07318.85
5.4.260.0030.07719.12
5.4.250.0030.08019.15
5.4.240.0000.08019.15
5.4.230.0100.06319.09
5.4.220.0170.04719.11
5.4.210.0130.05019.02
5.4.200.0070.06318.84
5.4.190.0030.07718.94
5.4.180.0070.07319.11
5.4.170.0030.05319.22
5.4.160.0070.07718.93
5.4.150.0000.08319.01
5.4.140.0070.07016.41
5.4.130.0070.07016.44
5.4.120.0070.06016.46
5.4.110.0100.05716.57
5.4.100.0030.07016.48
5.4.90.0070.05316.40
5.4.80.0100.06716.39
5.4.70.0130.06016.47
5.4.60.0130.06316.49
5.4.50.0030.07016.30
5.4.40.0030.05316.55
5.4.30.0170.06316.30
5.4.20.0000.04016.31
5.4.10.0030.04316.44
5.4.00.0070.06315.96
5.3.290.0030.05714.61
5.3.280.0130.05014.58
5.3.270.0100.07314.75
5.3.260.0070.07314.63
5.3.250.0070.06314.67
5.3.240.0130.06714.61
5.3.230.0000.05314.72
5.3.220.0070.06714.53
5.3.210.0070.07714.60
5.3.200.0130.06314.55
5.3.190.0000.04314.51
5.3.180.0100.05714.57
5.3.170.0100.03714.66
5.3.160.0030.08014.69
5.3.150.0070.05314.50
5.3.140.0070.07314.58
5.3.130.0030.08314.52
5.3.120.0100.05014.49
5.3.110.0130.06014.49
5.3.100.0030.03713.98
5.3.90.0000.04014.09
5.3.80.0000.04014.05
5.3.70.0000.04013.96
5.3.60.0100.03014.00
5.3.50.0030.06313.89
5.3.40.0030.03714.07
5.3.30.0130.03013.93
5.3.20.0000.04313.84
5.3.10.0030.04013.66
5.3.00.0000.04013.71
5.2.170.0070.02711.54
5.2.160.0030.02311.54
5.2.150.0030.02711.54
5.2.140.0070.03711.54
5.2.130.0030.03311.54
5.2.120.0000.03011.54
5.2.110.0030.03011.54
5.2.100.0000.03011.54
5.2.90.0030.02711.54
5.2.80.0000.03011.54
5.2.70.0030.03011.54
5.2.60.0000.03011.54
5.2.50.0000.03011.54
5.2.40.0030.03011.54
5.2.30.0000.03011.54
5.2.20.0000.03011.54
5.2.10.0030.02311.54
5.2.00.0030.02711.54
5.1.60.0030.02711.54
5.1.50.0000.02311.54
5.1.40.0030.03011.54
5.1.30.0000.03311.54
5.1.20.0030.03711.54
5.1.10.0000.03011.54
5.1.00.0030.04311.54
5.0.50.0000.02011.54
5.0.40.0070.01711.54
5.0.30.0000.03011.54
5.0.20.0030.01711.54
5.0.10.0030.01711.54
5.0.00.0030.02711.54
4.4.90.0000.01711.54
4.4.80.0030.01311.54
4.4.70.0000.02011.54
4.4.60.0000.01311.54
4.4.50.0000.01711.54
4.4.40.0000.02311.54
4.4.30.0000.03011.54
4.4.20.0000.01311.54
4.4.10.0000.01311.54
4.4.00.0070.02011.54
4.3.110.0030.01311.54
4.3.100.0000.01711.54
4.3.90.0000.01711.54
4.3.80.0030.02011.54
4.3.70.0000.01711.54
4.3.60.0030.01311.54
4.3.50.0000.01711.54
4.3.40.0000.02311.54
4.3.30.0000.01711.54
4.3.20.0030.01711.54
4.3.10.0030.01711.54
4.3.00.0030.01711.54

preferences:
33.81 ms | 401 KiB | 5 Q