3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Thesaurus { protected $synonyms = array( array('great', 'wonderful', 'amazing', 'fabulous', 'awesome', 'stunning'), array('look', 'see', 'observe') ); public function lookup($word) { foreach ($this->synonyms as $index => $synonym) { if (in_array(strtolower($word), $synonym)) { unset($synonym[ array_search($word, $synonym) ]); 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) { $new_word = $this->thesaurus->lookup($word); if ($word !== $new_word) { $string = $this->replace($word, $this->thesaurus->lookup($word), $string); } } return $string; } private function replace($needle, $replacement, $haystack) { echo $needle . ' ' . $replacement . PHP_EOL; return preg_replace( '/(?<!#)' . preg_quote($needle) . '(?!#)/', '#' . $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; echo '-----------------------------------------------------' . 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)
7.3.120.0130.00615.28
7.3.110.0090.00915.12
7.3.100.0040.01515.26
7.3.90.0090.00915.16
7.3.80.0030.01315.36
7.3.70.0090.00315.09
7.3.60.0110.00715.11
7.3.50.0070.00715.22
7.3.40.0000.01515.02
7.3.30.0060.00915.03
7.3.20.0060.00916.93
7.3.10.0060.00816.88
7.3.00.0030.01216.84
7.2.240.0100.01015.36
7.2.230.0090.00915.47
7.2.220.0120.00615.28
7.2.210.0120.00615.36
7.2.200.0110.00415.23
7.2.190.0030.01415.23
7.2.180.0030.00715.54
7.2.170.0070.00715.30
7.2.160.0000.01415.25
7.2.150.0030.00717.15
7.2.140.0030.00917.35
7.2.130.0080.00517.15
7.2.120.0070.00817.08
7.2.110.0080.00817.22
7.2.100.0050.01117.21
7.2.90.0070.00717.20
7.2.80.0090.00817.04
7.2.70.0090.00417.01
7.2.60.0040.01317.07
7.2.50.0050.00917.04
7.2.40.0070.01017.10
7.2.30.0060.01117.20
7.2.20.0050.01017.28
7.2.10.0090.00717.16
7.2.00.0090.00617.85
7.1.330.0120.00616.08
7.1.320.0120.00416.17
7.1.310.0040.01116.07
7.1.300.0040.01116.04
7.1.290.0090.00016.22
7.1.280.0060.00915.95
7.1.270.0120.00315.97
7.1.260.0070.01016.16
7.1.250.0070.00815.93
7.1.70.0000.01117.30
7.1.60.0130.01319.17
7.1.50.0100.01717.06
7.1.00.0070.03722.45
7.0.200.0050.00216.90
7.0.140.0000.07722.07
7.0.110.0130.08319.93
7.0.100.0070.06719.99
7.0.90.0030.05020.10
7.0.80.0030.04019.95
7.0.70.0000.06020.00
7.0.60.0000.07320.04
7.0.50.0070.08020.43
7.0.40.0000.04320.23
7.0.30.0030.04020.25
7.0.20.0100.06020.19
7.0.10.0000.05020.27
7.0.00.0070.06320.18
5.6.280.0100.06721.13
5.6.260.0070.07720.72
5.6.250.0170.07320.52
5.6.240.0100.07020.58
5.6.230.0030.04320.71
5.6.220.0070.04720.59
5.6.210.0000.07020.60
5.6.200.0000.07321.00
5.6.190.0100.05721.23
5.6.180.0030.04321.09
5.6.170.0030.04321.23
5.6.160.0070.04021.05
5.6.150.0030.04321.07
5.6.140.0100.05321.09
5.6.130.0070.05321.13
5.6.120.0030.06021.15
5.6.110.0000.04721.09
5.6.100.0030.04321.27
5.6.90.0030.05321.18
5.6.80.0030.04320.38
5.6.70.0130.07720.45
5.6.60.0030.07720.57
5.6.50.0100.07320.54
5.6.40.0030.09020.46
5.6.30.0070.07720.50
5.6.20.0100.07720.45
5.6.10.0030.08320.52
5.6.00.0130.07720.27
5.5.380.0000.05720.34
5.5.370.0030.04020.39
5.5.360.0070.05020.54
5.5.350.0070.06020.44
5.5.340.0100.03320.83
5.5.330.0100.05020.77
5.5.320.0030.04020.92
5.5.310.0100.04020.81
5.5.300.0100.03720.82
5.5.290.0030.06320.90
5.5.280.0130.03320.92
5.5.270.0000.04720.81
5.5.260.0100.03720.95
5.5.250.0130.03020.67
5.5.240.0100.07320.35
5.5.230.0170.06720.38
5.5.220.0070.08020.23
5.5.210.0030.08320.34
5.5.200.0130.07320.18
5.5.190.0030.08020.35
5.5.180.0130.08020.28
5.5.160.0030.08320.31
5.5.150.0130.07320.32
5.5.140.0070.08320.18
5.5.130.0130.07020.25
5.5.120.0070.07720.26
5.5.110.0070.08320.35
5.5.100.0100.07320.07
5.5.90.0130.07320.09
5.5.80.0130.05020.12
5.5.70.0070.08319.98
5.5.60.0000.06720.05
5.5.50.0030.04719.98
5.5.40.0130.07320.02
5.5.30.0100.08020.27
5.5.20.0200.06720.02
5.5.10.0100.05720.15
5.5.00.0100.08320.03
5.4.450.0030.05319.30
5.4.440.0000.04319.57
5.4.430.0000.05319.63
5.4.420.0000.04319.34
5.4.410.0070.05019.20
5.4.400.0030.08019.23
5.4.390.0070.07319.01
5.4.380.0100.04319.03
5.4.370.0070.07319.18
5.4.360.0030.08019.13
5.4.350.0070.07319.02
5.4.340.0070.07718.99
5.4.320.0100.07019.31
5.4.310.0100.07318.99
5.4.300.0030.08319.24
5.4.290.0030.08019.18
5.4.280.0100.07718.90
5.4.270.0130.07319.00
5.4.260.0100.07019.34
5.4.250.0100.05019.17
5.4.240.0000.08319.22
5.4.230.0070.06319.16
5.4.220.0130.07719.14
5.4.210.0130.03319.01
5.4.200.0130.06019.03
5.4.190.0030.05019.17
5.4.180.0000.07719.15
5.4.170.0070.05719.02
5.4.160.0070.06319.16
5.4.150.0170.07019.29
5.4.140.0170.06716.50
5.4.130.0000.08016.38
5.4.120.0070.07016.39
5.4.110.0100.07316.52
5.4.100.0100.06316.46
5.4.90.0070.07316.31
5.4.80.0030.07316.61
5.4.70.0030.07716.46
5.4.60.0100.07016.57
5.4.50.0130.06716.52
5.4.40.0130.06316.60
5.4.30.0100.05716.42
5.4.20.0070.07716.54
5.4.10.0100.07716.45
5.4.00.0030.08016.07
5.3.290.0100.07714.82
5.3.280.0100.07014.84
5.3.270.0100.07314.71
5.3.260.0030.05014.63
5.3.250.0070.06714.75
5.3.240.0070.07714.62
5.3.230.0070.07714.84
5.3.220.0030.07314.58
5.3.210.0100.07714.44
5.3.200.0070.04014.67
5.3.190.0230.08014.71
5.3.180.0070.07314.55
5.3.170.0100.07014.54
5.3.160.0130.07014.66
5.3.150.0030.08314.81
5.3.140.0070.07014.53
5.3.130.0030.06014.57
5.3.120.0130.07314.54
5.3.110.0100.07714.70
5.3.100.0130.05714.14
5.3.90.0100.07314.05
5.3.80.0070.07714.05
5.3.70.0070.07714.02
5.3.60.0030.07313.99
5.3.50.0200.06013.95
5.3.40.0170.06714.03
5.3.30.0070.07713.95
5.3.20.0030.07313.73
5.3.10.0100.07313.80
5.3.00.0030.07313.73
5.2.170.0170.06012.33
5.2.160.0100.06012.33
5.2.150.0030.06712.33
5.2.140.0100.06012.33
5.2.130.0130.05012.33
5.2.120.0070.05712.33
5.2.110.0070.05712.33
5.2.100.0100.06012.33
5.2.90.0070.06012.33
5.2.80.0130.04712.33
5.2.70.0100.06012.33
5.2.60.0070.05312.33
5.2.50.0070.05012.33
5.2.40.0000.06012.33
5.2.30.0100.05712.33
5.2.20.0100.05712.33
5.2.10.0030.06012.33
5.2.00.0070.05712.33
5.1.60.0100.05312.33
5.1.50.0100.02712.33
5.1.40.0070.04712.33
5.1.30.0070.03312.33
5.1.20.0130.04712.33
5.1.10.0070.05012.33
5.1.00.0070.03012.33
5.0.50.0030.04312.33
5.0.40.0070.04012.33
5.0.30.0030.07012.33
5.0.20.0000.04712.33
5.0.10.0070.04012.33
5.0.00.0000.06712.33
4.4.90.0070.02012.33
4.4.80.0070.03012.33
4.4.70.0000.03712.33
4.4.60.0000.03312.33
4.4.50.0100.02712.33
4.4.40.0000.06012.33
4.4.30.0030.03312.33
4.4.20.0030.03312.33
4.4.10.0030.03312.33
4.4.00.0030.05312.33
4.3.110.0000.03712.33
4.3.100.0070.02312.33
4.3.90.0030.03312.33
4.3.80.0030.04712.33
4.3.70.0000.03012.33
4.3.60.0000.02012.33
4.3.50.0000.01712.33
4.3.40.0030.02312.33
4.3.30.0070.02312.33
4.3.20.0030.03312.33
4.3.10.0000.03012.33
4.3.00.0070.03012.33

preferences:
29.5 ms | 401 KiB | 5 Q