3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Past { private $value; private $pastValues; function __construct($value, array $pastValues = []) { $this->value = $value; $this->pastValues = $pastValues; } function map(callable $fn) { return $this->update($fn($this->value)); } function update($value) { return new Past($value, array_merge($this->pastValues, [$this->value])); } function get() { return array_rand($this->pastValues); } } $answer = new Past(42); $answer = $answer->map(function ($number) { return $number + 1; }); $answer = $answer->update(-3); $answer = $answer->map(function ($number) { return $number * -1; }); $answer = $answer->map(function ($number) { return $number * 3; }); $answer = $answer->update('completely new value, hehehe'); var_dump($answer->get());

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)
7.1.70.0070.00016.86
7.1.60.0100.01319.11
7.1.50.0100.01016.93
7.1.00.0070.06722.49
7.0.200.0040.00416.61
7.0.140.0030.07322.09
7.0.70.0630.05720.04
7.0.60.0800.05019.99
7.0.50.0770.05320.38
7.0.40.0100.08320.15
7.0.30.0100.08320.18
7.0.20.0070.04020.07
7.0.10.0100.04020.14
7.0.00.0170.08020.01
5.6.280.0030.07321.11
5.6.220.0000.07020.63
5.6.210.0130.07720.78
5.6.200.0130.08021.19
5.6.190.0070.08021.04
5.6.180.0070.04321.11
5.6.170.0000.04721.14
5.6.160.0070.07021.01
5.6.150.0070.04321.05
5.6.140.0070.04321.08
5.6.130.0030.05321.14
5.6.120.0100.07021.09
5.6.110.0030.06021.07
5.6.100.0030.08020.95
5.6.90.0100.08321.01
5.6.80.0100.08320.46
5.6.70.0100.04020.41
5.6.60.0100.06720.44
5.6.50.0230.06720.40
5.6.40.0070.07720.39
5.6.30.0100.07320.32
5.6.20.0130.08020.39
5.6.10.0100.08020.35
5.6.00.0030.08320.29
5.5.360.0130.08020.35
5.5.350.0130.08320.49
5.5.340.0070.04020.66
5.5.330.0070.06320.90
5.5.320.0200.08320.84
5.5.310.0100.06020.75
5.5.300.0130.07320.74
5.5.290.0100.07020.89
5.5.280.0230.07020.81
5.5.270.0100.06320.78
5.5.260.0030.06020.92
5.5.250.0130.08320.55
5.5.240.0130.08020.19
5.5.230.0100.03720.19
5.5.220.0070.04720.28
5.5.210.0030.08320.21
5.5.200.0170.07020.17
5.5.190.0030.08720.26
5.5.180.0070.07320.29
5.5.160.0130.06320.29
5.5.150.0070.08320.19
5.5.140.0070.08020.11
5.5.130.0130.07320.28
5.5.120.0000.09020.16
5.5.110.0070.07020.21
5.5.100.0170.05020.09
5.5.90.0000.08320.08
5.5.80.0030.04720.09
5.5.70.0070.07720.15
5.5.60.0130.07320.11
5.5.50.0130.07020.13
5.5.40.0070.05720.17
5.5.30.0070.08719.97
5.5.20.0070.08020.07
5.5.10.0100.07720.03
5.5.00.0030.08020.12
5.4.450.0030.07019.56
5.4.440.0100.08019.37
5.4.430.0170.06719.17
5.4.420.0000.04319.50
5.4.410.0100.06019.32
5.4.400.0130.07319.05
5.4.390.0030.07019.21
5.4.380.0300.06019.13
5.4.370.0170.06719.05
5.4.360.0070.07019.03
5.4.350.0000.05319.18
5.4.340.0130.07719.16
5.4.320.0100.07719.13
5.4.310.0100.05719.13
5.4.300.0130.05719.23
5.4.290.0100.07319.11
5.4.280.0030.07018.91
5.4.270.0070.04719.02
5.4.260.0100.05718.90
5.4.250.0070.07719.22
5.4.240.0070.07718.87
5.4.230.0070.05319.12
5.4.220.0070.05319.18
5.4.210.0130.07318.87
5.4.200.0130.07319.13
5.4.190.0030.07719.03
5.4.180.0000.06719.15
5.4.170.0000.08019.11
5.4.160.0030.05319.02
5.4.150.0070.07719.11
5.4.140.0130.06716.45
5.4.130.0070.07716.23
5.4.120.0070.06016.26
5.4.110.0100.06716.57
5.4.100.0100.06716.55
5.4.90.0070.06716.40
5.4.80.0100.06316.51
5.4.70.0000.05316.40
5.4.60.0100.03316.42
5.4.50.0030.03716.36
5.4.40.0130.06716.50
5.4.30.0100.06716.47
5.4.20.0030.03716.32
5.4.10.0030.08016.46
5.4.00.0070.04015.85
5.3.290.0170.07014.73
5.3.280.0170.07314.66
5.3.270.0200.06314.60
5.3.260.0100.05714.76
5.3.250.0230.06014.53
5.3.240.0130.08014.72
5.3.230.0070.06714.65
5.3.220.0100.07714.57
5.3.210.0070.07314.50
5.3.200.0030.07314.49
5.3.190.0070.06014.67
5.3.180.0100.04314.59
5.3.170.0070.07714.56
5.3.160.0030.07714.59
5.3.150.0030.07014.64
5.3.140.0030.07714.54
5.3.130.0070.07314.57
5.3.120.0030.04314.61
5.3.110.0000.06014.61
5.3.100.0030.08713.99
5.3.90.0130.07014.11
5.3.80.0070.05714.11
5.3.70.0070.04014.02
5.3.60.0130.07014.09
5.3.50.0130.06013.94
5.3.40.0030.05713.94
5.3.30.0070.04713.79
5.3.20.0000.04013.78
5.3.10.0070.05013.79
5.3.00.0070.04313.69
5.2.170.0030.04312.20
5.2.160.0030.06312.20
5.2.150.0070.02312.20
5.2.140.0000.03012.20
5.2.130.0000.03312.20
5.2.120.0070.02712.20
5.2.110.0070.02712.20
5.2.100.0000.03012.20
5.2.90.0000.03312.20
5.2.80.0030.03012.20
5.2.70.0000.03312.20
5.2.60.0000.03012.20
5.2.50.0030.02712.20
5.2.40.0100.02312.20
5.2.30.0030.02712.20
5.2.20.0000.03012.20
5.2.10.0030.04312.20
5.2.00.0070.02312.20
5.1.60.0030.02712.20
5.1.50.0030.02312.20
5.1.40.0100.01712.20
5.1.30.0070.02312.20
5.1.20.0100.03312.20
5.1.10.0100.01712.20
5.1.00.0030.02312.20
5.0.50.0030.02012.20
5.0.40.0030.04312.20
5.0.30.0000.03012.20
5.0.20.0030.01712.20
5.0.10.0030.01712.20
5.0.00.0030.03012.20
4.4.90.0030.01312.20
4.4.80.0030.01312.20
4.4.70.0030.01712.20
4.4.60.0030.01312.20
4.4.50.0000.02712.20
4.4.40.0030.02012.20
4.4.30.0000.03712.20
4.4.20.0000.01712.20
4.4.10.0000.01712.20
4.4.00.0030.02312.20
4.3.110.0000.01712.20
4.3.100.0000.01712.20
4.3.90.0000.01712.20
4.3.80.0000.02312.20
4.3.70.0000.01712.20
4.3.60.0030.01312.20
4.3.50.0030.01312.20
4.3.40.0000.02312.20
4.3.30.0000.01712.20
4.3.20.0000.02312.20
4.3.10.0000.02012.20
4.3.00.0070.01012.20

preferences:
37.21 ms | 401 KiB | 5 Q