3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $b = 1; public function __toString() { return 'uh oh'; } } $a = new A; var_dump("$a"); var_dump($a); var_dump(json_encode($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)
8.3.60.0140.00718.43
8.3.50.0120.01021.94
8.3.40.0130.00618.47
8.3.30.0170.00320.29
8.3.20.0140.00020.34
8.3.10.0160.00322.03
8.3.00.0090.00622.40
8.2.180.0130.00716.75
8.2.170.0130.01022.96
8.2.160.0110.00320.39
8.2.150.0060.01225.66
8.2.140.0120.00624.66
8.2.130.0140.00326.16
8.2.120.0150.00319.54
8.2.110.0100.00722.07
8.2.100.0080.00317.72
8.2.90.0080.00017.78
8.2.80.0060.00317.97
8.2.70.0090.00017.75
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0000.00918.16
8.2.30.0000.00818.16
8.2.20.0080.00017.71
8.2.10.0000.00717.70
8.2.00.0040.00417.58
8.1.280.0180.00425.92
8.1.270.0040.00424.66
8.1.260.0070.01026.35
8.1.250.0070.00728.09
8.1.240.0030.00622.59
8.1.230.0070.00420.97
8.1.220.0050.00317.74
8.1.210.0000.00818.85
8.1.200.0060.00317.48
8.1.190.0050.00317.42
8.1.180.0040.00419.13
8.1.170.0040.00418.60
8.1.160.0000.00722.05
8.1.150.0000.00718.63
8.1.140.0040.00417.39
8.1.130.0030.00317.73
8.1.120.0030.00317.41
8.1.110.0040.00417.44
8.1.100.0060.00317.36
8.1.90.0040.00417.43
8.1.80.0030.00317.47
8.1.70.0070.00017.48
8.1.60.0030.00617.51
8.1.50.0000.00717.43
8.1.40.0040.00417.52
8.1.30.0040.00417.56
8.1.20.0040.00417.70
8.1.10.0000.00717.40
8.1.00.0060.00317.41
8.0.300.0030.00420.06
8.0.290.0070.00017.18
8.0.280.0040.00418.44
8.0.270.0070.00017.26
8.0.260.0030.00318.45
8.0.250.0000.00716.94
8.0.240.0040.00416.95
8.0.230.0030.00316.94
8.0.220.0030.00316.88
8.0.210.0000.00716.93
8.0.200.0040.00417.03
8.0.190.0030.00316.78
8.0.180.0000.00816.91
8.0.170.0000.00716.96
8.0.160.0030.00316.88
8.0.150.0040.00416.87
8.0.140.0070.00016.87
8.0.130.0030.00313.29
8.0.120.0050.00316.73
8.0.110.0000.00816.88
8.0.100.0000.00716.95
8.0.90.0040.00416.71
8.0.80.0060.00916.95
8.0.70.0080.00016.95
8.0.60.0070.00016.72
8.0.50.0040.00416.93
8.0.30.0100.00817.20
8.0.20.0080.01217.40
8.0.10.0070.00016.83
8.0.00.0160.00716.65
7.4.330.0050.00015.00
7.4.320.0030.00316.60
7.4.300.0000.00616.62
7.4.290.0000.00716.39
7.4.280.0020.00516.60
7.4.270.0000.00716.61
7.4.260.0000.00513.39
7.4.250.0000.00716.55
7.4.240.0030.00416.42
7.4.230.0070.00016.53
7.4.220.0080.01116.71
7.4.210.0090.00716.55
7.4.200.0070.00016.61
7.4.190.0070.00016.46
7.4.160.0160.00016.50
7.4.150.0150.00717.40
7.4.140.0150.00117.86
7.4.130.0120.00516.49
7.4.120.0070.01316.47
7.4.110.0030.01316.60
7.4.100.0070.01016.66
7.4.90.0060.01316.59
7.4.80.0150.00319.39
7.4.70.0060.01216.32
7.4.60.0110.00516.56
7.4.50.0030.00516.32
7.4.40.0050.00522.77
7.4.30.0060.01016.45
7.4.00.0040.01114.78
7.3.330.0000.00513.24
7.3.320.0030.00213.17
7.3.310.0030.00316.10
7.3.300.0000.00716.25
7.3.290.0000.01416.18
7.3.280.0090.00916.21
7.3.270.0090.00917.40
7.3.260.0070.01116.22
7.3.250.0090.01416.21
7.3.240.0100.00716.23
7.3.230.0060.01316.45
7.3.210.0090.00916.15
7.3.200.0120.00819.39
7.3.190.0130.00316.34
7.3.180.0060.00916.35
7.3.170.0130.00616.50
7.3.160.0030.01416.40
7.3.120.0040.01214.84
7.2.330.0000.01916.48
7.2.320.0110.00716.60
7.2.310.0150.00916.46
7.2.300.0090.00916.69
7.2.290.0120.00416.30
7.2.60.0070.00716.90
7.2.00.0080.00819.40
7.1.200.0000.01215.82
7.1.100.0180.00318.14
7.1.70.0060.00317.00
7.1.60.0120.01219.43
7.1.50.0090.01316.71
7.1.00.0070.03022.51
7.0.200.0030.00316.79
7.0.140.0070.07022.21
7.0.90.0400.04319.80
7.0.80.0370.03319.85
7.0.70.0670.06719.84
7.0.60.0570.06019.93
7.0.50.0500.05720.39
7.0.40.0130.08320.04
7.0.30.0100.08320.05
7.0.20.0030.05320.15
7.0.10.0070.08020.06
7.0.00.0130.07720.09
5.6.280.0030.07320.91
5.6.240.0000.04720.55
5.6.230.0070.04020.66
5.6.220.0100.03320.63
5.6.210.0100.07320.41
5.6.200.0100.08021.01
5.6.190.0030.08321.12
5.6.180.0100.03720.99
5.6.170.0100.08020.94
5.6.160.0030.08721.17
5.6.150.0100.06721.11
5.6.140.0030.04720.95
5.6.130.0100.06720.96
5.6.120.0030.08021.08
5.6.110.0130.04321.13
5.6.100.0070.05320.93
5.6.90.0130.08021.00
5.6.80.0070.07320.50
5.6.70.0030.06720.48
5.6.60.0130.05020.38
5.6.50.0100.07320.39
5.6.40.0030.09020.29
5.6.30.0070.08320.29
5.6.20.0030.08720.40
5.6.10.0070.05720.52
5.6.00.0070.04320.45
5.5.380.0070.03720.41
5.5.370.0200.02720.40
5.5.360.0030.08320.31
5.5.350.0070.05320.37
5.5.340.0100.07320.78
5.5.330.0030.09020.76
5.5.320.0100.05320.88
5.5.310.0070.04720.63
5.5.300.0000.07020.92
5.5.290.0170.08020.76
5.5.280.0030.08020.64
5.5.270.0100.08720.82
5.5.260.0170.07720.77
5.5.250.0100.05720.59
5.5.240.0030.07720.21
5.5.230.0070.07320.29
5.5.220.0000.05320.27
5.5.210.0100.07720.30
5.5.200.0130.05320.22
5.5.190.0170.06720.27
5.5.180.0100.08320.22
5.5.160.0130.06720.27
5.5.150.0100.05320.14
5.5.140.0070.04719.99
5.5.130.0070.05720.22
5.5.120.0000.08020.21
5.5.110.0170.08020.07
5.5.100.0100.08020.18
5.5.90.0030.05020.07
5.5.80.0030.08320.05
5.5.70.0070.08020.06
5.5.60.0030.08320.14
5.5.50.0030.05020.00
5.5.40.0070.05320.05
5.5.30.0000.04720.05
5.5.20.0170.06720.05
5.5.10.0070.03720.13
5.5.00.0070.08020.11
5.4.450.0130.05019.23
5.4.440.0170.07019.27
5.4.430.0000.06019.37
5.4.420.0070.07719.35
5.4.410.0030.08319.24
5.4.400.0000.05319.09
5.4.390.0130.03318.91
5.4.380.0000.05719.13
5.4.370.0030.07019.14
5.4.360.0070.04719.13
5.4.350.0130.05018.95
5.4.340.0000.05318.95
5.4.320.0000.04719.20
5.4.310.0030.04719.05
5.4.300.0130.06318.90
5.4.290.0130.03719.02
5.4.280.0130.07019.23
5.4.270.0070.04719.04
5.4.260.0100.07019.09
5.4.250.0100.07719.04
5.4.240.0130.07018.87
5.4.230.0100.04719.04
5.4.220.0070.08319.12
5.4.210.0100.07319.07
5.4.200.0130.06719.04
5.4.190.0130.04318.87
5.4.180.0070.03719.08
5.4.170.0070.08019.02
5.4.160.0070.06019.18
5.4.150.0030.05019.14
5.4.140.0000.08316.14
5.4.130.0030.07016.42
5.4.120.0130.03716.37
5.4.110.0130.06316.35
5.4.100.0030.04716.48
5.4.90.0130.06316.36
5.4.80.0000.08016.25
5.4.70.0030.04016.38
5.4.60.0030.07716.47
5.4.50.0070.07316.26
5.4.40.0100.06316.39
5.4.30.0070.07316.41
5.4.20.0100.07316.30
5.4.10.0130.06016.33
5.4.00.0000.05015.64
5.3.290.0030.04714.76
5.3.280.0100.07714.68
5.3.270.0030.08014.58
5.3.260.0100.06014.63
5.3.250.0100.05714.71
5.3.240.0070.07314.59
5.3.230.0070.07314.52
5.3.220.0100.07014.55
5.3.210.0070.04714.66
5.3.200.0170.07014.53
5.3.190.0030.08314.63
5.3.180.0170.05014.70
5.3.170.0200.04714.48
5.3.160.0030.07314.48
5.3.150.0070.07014.52
5.3.140.0130.05014.50
5.3.130.0100.06014.47
5.3.120.0170.06314.61
5.3.110.0100.05014.63
5.3.100.0100.06713.96
5.3.90.0070.07014.12
5.3.80.0130.06713.94
5.3.70.0030.08014.04
5.3.60.0130.05014.00
5.3.50.0130.03714.01
5.3.40.0000.05313.93
5.3.30.0070.05314.04
5.3.20.0100.05713.71
5.3.10.0170.05713.68
5.3.00.0070.07313.75
5.2.170.0130.02711.07
5.2.160.0030.05311.25
5.2.150.0030.06311.20
5.2.140.0130.05011.02
5.2.130.0070.05711.19
5.2.120.0070.06011.00
5.2.110.0030.03711.13
5.2.100.0070.02711.22
5.2.90.0030.02711.10
5.2.80.0000.03710.95
5.2.70.0000.03711.02
5.2.60.0030.03310.96
5.2.50.0070.03311.16
5.2.40.0000.06310.86
5.2.30.0070.06011.08
5.2.20.0030.04310.82
5.2.10.0030.06010.80
5.2.00.0070.06010.77
5.1.60.0100.04310.54
5.1.50.0130.04710.54
5.1.40.0030.05710.54
5.1.30.0070.06010.54
5.1.20.0030.05010.54
5.1.10.0000.05710.54
5.1.00.0070.05010.54
5.0.50.0030.04710.54
5.0.40.0030.04310.54
5.0.30.0030.05010.54
5.0.20.0000.04710.54
5.0.10.0070.04010.54
5.0.00.0000.03710.54
4.4.90.0070.02010.54
4.4.80.0070.03010.54
4.4.70.0030.03710.54
4.4.60.0030.03310.54
4.4.50.0030.03310.54
4.4.40.0030.05010.54
4.4.30.0000.02010.54
4.4.20.0000.02710.54
4.4.10.0030.02710.54
4.4.00.0000.04310.54
4.3.110.0000.03010.54
4.3.100.0030.03310.54
4.3.90.0000.03010.54
4.3.80.0000.06010.54
4.3.70.0000.03010.54
4.3.60.0070.02710.54
4.3.50.0000.03710.54
4.3.40.0000.04010.54
4.3.30.0000.03710.54
4.3.20.0030.02710.54
4.3.10.0000.03710.54
4.3.00.0030.03310.54

preferences:
55.17 ms | 401 KiB | 5 Q