3v4l.org

run code in 300+ PHP versions simultaneously
<?php class R { public function __toString() { return (string)mt_rand(); } } $a = new R(); var_dump($a !== $a);

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)
7.4.00.0130.00615.00
7.3.120.0070.01114.73
7.3.110.0100.00714.89
7.3.100.0030.01015.00
7.3.90.0120.00014.77
7.3.80.0070.00714.70
7.3.70.0100.00714.59
7.3.60.0060.00614.71
7.3.50.0100.00714.89
7.3.40.0070.00714.74
7.3.30.0100.00314.83
7.3.20.0060.00916.43
7.3.10.0130.00316.64
7.3.00.0070.01016.67
7.2.250.0100.00715.00
7.2.240.0070.01015.15
7.2.230.0000.01615.12
7.2.220.0000.01115.14
7.2.210.0070.01014.71
7.2.200.0120.00614.86
7.2.190.0060.00914.66
7.2.180.0090.00614.58
7.2.170.0070.00714.84
7.1.330.0030.00915.84
7.1.320.0110.00315.67
7.1.310.0070.01015.69
7.1.300.0070.00415.70
7.1.290.0060.00615.77
7.1.280.0000.01715.84
7.1.270.0100.00315.75
7.1.260.0130.00315.54
7.1.70.0000.00817.03
7.1.60.0130.01319.11
7.1.50.0060.00917.04
7.1.00.0100.07022.37
7.0.200.0030.00316.36
7.0.140.0030.07722.01
7.0.100.0000.07719.91
7.0.90.0030.04719.85
7.0.80.0000.04319.95
7.0.70.0030.06319.91
7.0.60.0000.04319.91
7.0.50.0030.04320.33
7.0.40.0030.04019.95
7.0.30.0070.06720.10
7.0.20.0100.04720.14
7.0.10.0000.04720.14
7.0.00.0030.05320.11
5.6.280.0030.07321.15
5.6.250.0070.06720.74
5.6.240.0070.04020.55
5.6.230.0000.04720.63
5.6.220.0070.04020.58
5.6.210.0100.03320.57
5.6.200.0070.04021.04
5.6.190.0000.04020.93
5.6.180.0030.04320.96
5.6.170.0000.05321.09
5.6.160.0000.05020.98
5.6.150.0000.04321.05
5.6.140.0030.04020.95
5.6.130.0030.04721.06
5.6.120.0000.04721.10
5.6.110.0100.04021.00
5.6.100.0000.04721.10
5.6.90.0070.03721.09
5.6.80.0100.07320.56
5.6.70.0130.04020.40
5.6.60.0070.07720.50
5.6.50.0030.08020.32
5.6.40.0030.06720.49
5.6.30.0070.06020.34
5.6.20.0030.07720.37
5.6.10.0100.07020.38
5.6.00.0030.07320.38
5.5.380.0030.04320.45
5.5.370.0000.04320.45
5.5.360.0030.04320.35
5.5.350.0000.04720.45
5.5.340.0200.04020.94
5.5.330.0070.04320.76
5.5.320.0000.04320.89
5.5.310.0030.04020.85
5.5.300.0000.04320.64
5.5.290.0130.03720.93
5.5.280.0070.04020.89
5.5.270.0070.04720.91
5.5.260.0000.04320.62
5.5.250.0030.04020.64
5.5.240.0030.08320.14
5.5.230.0070.08020.21
5.5.220.0030.08020.15
5.5.210.0000.04720.14
5.5.200.0070.06020.25
5.5.190.0130.06020.12
5.5.180.0130.07020.11
5.5.160.0130.04020.25
5.5.150.0130.04320.14
5.5.140.0070.08020.25
5.5.130.0170.07720.14
5.5.120.0130.04020.12
5.5.110.0100.07320.10
5.5.100.0070.05320.08
5.5.90.0130.07320.07
5.5.80.0070.05319.97
5.5.70.0000.08020.16
5.5.60.0100.04020.06
5.5.50.0000.07720.05
5.5.40.0170.06720.00
5.5.30.0030.08019.93
5.5.20.0130.05320.04
5.5.10.0130.07320.12
5.5.00.0030.06320.13
5.4.450.0070.04019.20
5.4.440.0070.04019.25
5.4.430.0070.03719.39
5.4.420.0030.03719.44
5.4.410.0030.07719.22
5.4.400.0030.07719.13
5.4.390.0200.06719.16
5.4.380.0130.07319.03
5.4.370.0170.06318.91
5.4.360.0030.04318.97
5.4.350.0070.07319.00
5.4.340.0030.08018.95
5.4.320.0030.08319.14
5.4.310.0070.04719.16
5.4.300.0170.06719.09
5.4.290.0100.06718.87
5.4.280.0030.08719.04
5.4.270.0170.06318.86
5.4.260.0100.07719.23
5.4.250.0030.07319.18
5.4.240.0170.05319.17
5.4.230.0030.07719.15
5.4.220.0030.08019.11
5.4.210.0100.07319.02
5.4.200.0000.07019.15
5.4.190.0170.06718.89
5.4.180.0030.07719.20
5.4.170.0070.07019.12
5.4.160.0030.07019.10
5.4.150.0100.07718.92
5.4.140.0070.07316.50
5.4.130.0100.06016.42
5.4.120.0030.04316.18
5.4.110.0130.07016.27
5.4.100.0000.07016.35
5.4.90.0100.06716.42
5.4.80.0070.06016.45
5.4.70.0070.06716.33
5.4.60.0030.03716.25
5.4.50.0030.07316.48
5.4.40.0100.07316.30
5.4.30.0100.05016.43
5.4.20.0070.07016.45
5.4.10.0100.04716.24
5.4.00.0030.06315.79
5.3.290.0170.07014.59
5.3.280.0170.06714.60
5.3.270.0000.08314.61
5.3.260.0070.07014.73
5.3.250.0070.07314.55
5.3.240.0070.07314.53
5.3.230.0030.07714.61
5.3.220.0170.06714.56
5.3.210.0000.08014.68
5.3.200.0000.07714.65
5.3.190.0130.07314.61
5.3.180.0200.05714.51
5.3.170.0070.04014.57
5.3.160.0070.07314.51
5.3.150.0070.07014.69
5.3.140.0070.06314.53
5.3.130.0100.07314.55
5.3.120.0070.04314.63
5.3.110.0070.07714.60
5.3.100.0000.04714.10
5.3.90.0000.04013.95
5.3.80.0070.03714.05
5.3.70.0100.04314.08
5.3.60.0100.06013.98
5.3.50.0030.07313.95
5.3.40.0070.06313.82
5.3.30.0000.07314.04
5.3.20.0130.06013.79
5.3.10.0070.03313.63
5.3.00.0030.07313.57
5.2.170.0070.06312.33
5.2.160.0030.05012.33
5.2.150.0100.05712.33
5.2.140.0070.05712.33
5.2.130.0000.03712.33
5.2.120.0000.05312.33
5.2.110.0100.02712.33
5.2.100.0070.05712.33
5.2.90.0070.04312.33
5.2.80.0030.05312.33
5.2.70.0100.05712.33
5.2.60.0000.05012.33
5.2.50.0070.03712.33
5.2.40.0000.06712.33
5.2.30.0030.06012.33
5.2.20.0100.06012.33
5.2.10.0030.04712.33
5.2.00.0030.05712.33
5.1.60.0070.05312.33
5.1.50.0070.04712.33
5.1.40.0030.05012.33
5.1.30.0030.03312.33
5.1.20.0030.05712.33
5.1.10.0100.03312.33
5.1.00.0100.05312.33
5.0.50.0100.03712.33
5.0.40.0030.04312.33
5.0.30.0030.04712.33
5.0.20.0030.03712.33
5.0.10.0030.03712.33
5.0.00.0000.04712.33
4.4.90.0070.03012.33
4.4.80.0000.03712.33
4.4.70.0000.02312.33
4.4.60.0000.02012.33
4.4.50.0030.03312.33
4.4.40.0100.04312.33
4.4.30.0000.03712.33
4.4.20.0000.03012.33
4.4.10.0030.02312.33
4.4.00.0030.05312.33
4.3.110.0030.03012.33
4.3.100.0000.03712.33
4.3.90.0030.03312.33
4.3.80.0030.02312.33
4.3.70.0070.03012.33
4.3.60.0100.03012.33
4.3.50.0070.02712.33
4.3.40.0030.02712.33
4.3.30.0030.03012.33
4.3.20.0030.01712.33
4.3.10.0030.03312.33
4.3.00.0000.03712.33

preferences:
45.59 ms | 401 KiB | 5 Q