3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Thesaurus { protected $synonyms = array( array('wonderful', 'amazing', 'fabulous', 'awesome', 'stunning'), array('look', 'see', 'observe') ); public function lookup($word) { foreach ($this->synonyms as $index => $synonym) { if (in_array(strtolower($word), $synonym)) { unset($synonym[ array_search($word, $synonym) ]); print_r($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)
7.2.00.0030.00919.79
7.1.100.0030.00818.21
7.1.70.0000.00817.37
7.1.60.0060.00919.70
7.1.50.0100.01617.18
7.1.00.0000.08022.59
7.0.200.0050.00316.93
7.0.140.0070.07022.09
7.0.100.0170.04719.98
7.0.90.0130.08020.05
7.0.80.0130.04719.94
7.0.70.0100.07319.94
7.0.60.0100.08019.96
7.0.50.0100.08320.32
7.0.40.0070.08320.06
7.0.30.0070.08020.19
7.0.20.0000.06720.11
7.0.10.0070.07720.04
7.0.00.0100.07720.09
5.6.280.0000.07321.12
5.6.250.0030.08320.58
5.6.240.0030.08720.60
5.6.230.0100.08020.51
5.6.220.0130.07320.57
5.6.210.0000.09020.48
5.6.200.0000.09321.10
5.6.190.0070.05021.19
5.6.180.0030.07721.05
5.6.170.0030.08021.09
5.6.160.0130.08021.19
5.6.150.0100.08021.09
5.6.140.0030.07721.05
5.6.130.0070.08321.06
5.6.120.0100.05021.04
5.6.110.0070.08020.99
5.6.100.0100.05321.11
5.6.90.0100.08021.03
5.6.80.0170.07320.47
5.6.70.0070.08020.41
5.6.60.0100.08020.39
5.6.50.0100.05320.34
5.6.40.0170.07020.36
5.6.30.0000.07320.43
5.6.20.0000.08020.30
5.6.10.0070.06320.41
5.6.00.0100.08020.44
5.5.380.0170.07320.41
5.5.370.0030.08320.39
5.5.360.0130.07720.43
5.5.350.0070.08020.45
5.5.340.0100.07320.92
5.5.330.0100.07720.86
5.5.320.0030.08320.89
5.5.310.0030.08720.94
5.5.300.0070.08020.86
5.5.290.0070.08020.93
5.5.280.0070.05320.87
5.5.270.0070.07320.79
5.5.260.0130.07720.84
5.5.250.0070.04720.71
5.5.240.0030.08320.16
5.5.230.0100.07320.12
5.5.220.0070.05020.24
5.5.210.0070.07020.20
5.5.200.0100.07720.30
5.5.190.0100.07720.23
5.5.180.0030.07320.25
5.5.160.0030.06720.23
5.5.150.0070.07719.98
5.5.140.0130.07720.12
5.5.130.0070.07020.09
5.5.120.0070.07020.29
5.5.110.0100.07720.25
5.5.100.0070.07720.09
5.5.90.0070.08319.96
5.5.80.0100.06720.11
5.5.70.0130.07020.09
5.5.60.0030.08020.17
5.5.50.0100.07020.06
5.5.40.0070.08020.04
5.5.30.0000.08720.15
5.5.20.0130.03720.09
5.5.10.0070.08320.05
5.5.00.0070.04720.10
5.4.450.0000.08319.50
5.4.440.0130.07719.44
5.4.430.0100.07719.42
5.4.420.0070.08019.27
5.4.410.0230.06319.33
5.4.400.0100.07019.07
5.4.390.0030.05719.17
5.4.380.0070.07719.17
5.4.370.0100.07718.90
5.4.360.0130.06718.88
5.4.350.0070.04319.23
5.4.340.0000.04018.95
5.4.320.0070.07319.23
5.4.310.0070.04319.13
5.4.300.0070.07719.15
5.4.290.0100.07319.18
5.4.280.0070.06318.87
5.4.270.0030.06319.09
5.4.260.0200.06319.16
5.4.250.0030.07719.18
5.4.240.0000.07719.13
5.4.230.0070.04019.16
5.4.220.0030.08018.90
5.4.210.0130.06018.95
5.4.200.0100.07719.02
5.4.190.0030.07718.87
5.4.180.0070.07019.12
5.4.170.0100.07318.87
5.4.160.0070.08019.11
5.4.150.0200.06318.90
5.4.140.0070.04316.41
5.4.130.0100.07016.48
5.4.120.0100.06716.41
5.4.110.0030.07316.54
5.4.100.0100.06716.55
5.4.90.0070.05716.48
5.4.80.0100.06716.54
5.4.70.0130.06016.43
5.4.60.0070.07016.37
5.4.50.0070.05016.34
5.4.40.0070.07316.38
5.4.30.0070.06716.41
5.4.20.0270.05316.47
5.4.10.0070.07316.39
5.4.00.0070.06715.86
5.3.290.0130.07314.74
5.3.280.0070.08014.71
5.3.270.0100.07314.55
5.3.260.0070.07714.60
5.3.250.0170.05714.76
5.3.240.0000.08014.65
5.3.230.0030.04714.73
5.3.220.0070.06314.62
5.3.210.0000.05714.61
5.3.200.0070.04314.56
5.3.190.0000.04714.54
5.3.180.0000.08014.70
5.3.170.0030.08314.69
5.3.160.0130.06314.69
5.3.150.0070.07314.60
5.3.140.0030.07714.71
5.3.130.0100.08014.59
5.3.120.0030.07014.52
5.3.110.0130.07314.55
5.3.100.0070.07314.12
5.3.90.0070.07314.01
5.3.80.0100.06714.12
5.3.70.0130.03314.05
5.3.60.0070.07314.16
5.3.50.0100.06314.07
5.3.40.0100.07314.07
5.3.30.0130.07014.06
5.3.20.0100.06713.77
5.3.10.0030.07313.65
5.3.00.0130.06713.67
5.2.170.0030.06311.09
5.2.160.0070.06011.22
5.2.150.0070.06011.07
5.2.140.0030.06311.22
5.2.130.0130.05311.17
5.2.120.0070.06011.04
5.2.110.0070.05711.25
5.2.100.0070.06011.13
5.2.90.0070.06011.05
5.2.80.0030.06011.17
5.2.70.0100.05311.23
5.2.60.0070.05710.98
5.2.50.0000.06310.96
5.2.40.0130.05311.08
5.2.30.0100.05311.11
5.2.20.0000.06310.89
5.2.10.0000.05710.83
5.2.00.0070.05710.80
5.1.60.0030.05710.24
5.1.50.0130.04310.24
5.1.40.0030.05710.24
5.1.30.0030.05710.43
5.1.20.0000.05710.51
5.1.10.0070.05010.24
5.1.00.0030.05710.24
5.0.50.0030.03710.24
5.0.40.0070.04010.24
5.0.30.0000.07010.24
5.0.20.0000.04310.24
5.0.10.0100.03710.24
5.0.00.0100.04010.24
4.4.90.0070.02010.24
4.4.80.0100.03010.24
4.4.70.0000.04010.24
4.4.60.0000.03310.24
4.4.50.0030.03010.24
4.4.40.0000.06010.24
4.4.30.0030.03310.24
4.4.20.0030.03710.24
4.4.10.0000.02010.24
4.4.00.0070.04310.24
4.3.110.0030.03710.24
4.3.100.0070.03010.24
4.3.90.0030.03310.24
4.3.80.0100.04710.24
4.3.70.0000.03710.24
4.3.60.0000.03310.24
4.3.50.0030.03310.24
4.3.40.0030.05010.24
4.3.30.0030.02310.24
4.3.20.0030.02310.24
4.3.10.0030.03310.24
4.3.00.0000.04010.24

preferences:
37.83 ms | 400 KiB | 5 Q