3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { static $i =0; function __toString() { $a = ['', 'a']; $r = $a[$i]; $i++; return $r; } } var_dump('' == $a and '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)
8.3.60.0090.00618.56
8.3.50.0130.00721.19
8.3.40.0170.00318.67
8.3.30.0110.00318.67
8.3.20.0030.00520.16
8.3.10.0000.00721.80
8.3.00.0080.00019.54
8.2.180.0130.00916.75
8.2.170.0110.01122.96
8.2.160.0110.00320.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0060.00317.50
8.2.110.0030.00720.58
8.2.100.0070.00417.75
8.2.90.0050.00319.22
8.2.80.0070.00717.97
8.2.70.0000.00817.63
8.2.60.0080.00018.04
8.2.50.0060.00318.07
8.2.40.0030.00621.05
8.2.30.0000.00819.84
8.2.20.0000.00717.67
8.2.10.0050.00217.92
8.2.00.0040.00418.06
8.1.280.0120.00625.92
8.1.270.0050.00320.25
8.1.260.0000.00926.35
8.1.250.0080.00028.09
8.1.240.0060.00324.02
8.1.230.0080.00317.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00917.25
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0040.00421.97
8.1.150.0070.00018.87
8.1.140.0040.00417.45
8.1.130.0000.00717.63
8.1.120.0000.00817.30
8.1.110.0000.00717.31
8.1.100.0000.00917.36
8.1.90.0020.00517.29
8.1.80.0070.00017.36
8.1.70.0040.00417.34
8.1.60.0000.00917.46
8.1.50.0030.00617.52
8.1.40.0080.00017.41
8.1.30.0040.00417.63
8.1.20.0000.00817.62
8.1.10.0000.00817.37
8.1.00.0030.00717.41
8.0.300.0000.00718.77
8.0.290.0050.00216.75
8.0.280.0050.00218.31
8.0.270.0040.00417.29
8.0.260.0030.00317.10
8.0.250.0000.00816.85
8.0.240.0040.00416.97
8.0.230.0020.00516.92
8.0.220.0000.00716.78
8.0.210.0020.00516.74
8.0.200.0000.00716.89
8.0.190.0070.00017.02
8.0.180.0080.00016.94
8.0.170.0070.00016.85
8.0.160.0030.00317.02
8.0.150.0040.00416.91
8.0.140.0000.00816.80
8.0.130.0030.00313.28
8.0.120.0000.00816.77
8.0.110.0050.00316.84
8.0.100.0070.00016.68
8.0.90.0040.00416.77
8.0.80.0130.01016.85
8.0.70.0050.00316.82
8.0.60.0000.00716.87
8.0.50.0050.00316.78
8.0.30.0060.01016.86
8.0.20.0090.00917.40
8.0.10.0050.00317.02
8.0.00.0150.00516.73
7.4.330.0020.00215.08
7.4.320.0000.00616.57
7.4.300.0000.00616.42
7.4.290.0050.00316.57
7.4.280.0040.00416.37
7.4.270.0000.00716.42
7.4.260.0030.00316.53
7.4.250.0040.00416.38
7.4.240.0030.00316.47
7.4.230.0000.00716.30
7.4.220.0100.01016.57
7.4.210.0030.01316.47
7.4.200.0030.00316.32
7.4.160.0060.01416.30
7.4.150.0120.00617.40
7.4.140.0060.01617.86
7.4.130.0160.00416.46
7.4.120.0080.01116.54
7.4.110.0070.01016.71
7.4.100.0090.00916.38
7.4.90.0070.01016.35
7.4.80.0110.00719.39
7.4.70.0170.00016.44
7.4.60.0090.00616.54
7.4.50.0030.00516.39
7.4.40.0080.00916.50
7.4.30.0110.01216.48
7.4.00.0070.01114.82
7.3.330.0000.00513.13
7.3.320.0030.00313.23
7.3.310.0030.00316.14
7.3.300.0030.00316.19
7.3.290.0060.00916.28
7.3.280.0120.00916.33
7.3.270.0040.01417.40
7.3.260.0060.01216.64
7.3.250.0100.00716.44
7.3.240.0180.00316.32
7.3.230.0030.01416.39
7.3.210.0100.00616.33
7.3.200.0140.00419.39
7.3.190.0090.00616.25
7.3.180.0130.00316.51
7.3.170.0060.01616.46
7.3.160.0200.00316.59
7.2.330.0100.00716.64
7.2.320.0110.00616.66
7.2.310.0120.00616.34
7.2.300.0140.00316.48
7.2.290.0080.01416.51
7.2.60.0070.00716.90
7.1.200.0100.00315.75
7.1.100.0080.00817.35
7.1.70.0040.00417.06
7.1.60.0030.02120.03
7.1.50.0220.01634.82
7.1.00.0000.08022.48
7.0.200.0050.00216.82
7.0.60.0100.07719.89
7.0.50.0100.05317.87
7.0.40.0130.06320.27
7.0.30.0530.07320.13
7.0.20.0330.07720.09
7.0.10.0270.07320.29
7.0.00.0130.07320.09
5.6.280.0030.04720.86
5.6.210.0070.03720.54
5.6.200.0000.05718.25
5.6.190.0100.07720.57
5.6.180.0330.07720.48
5.6.170.0170.04320.50
5.6.160.0030.04020.54
5.6.150.0070.04318.20
5.6.140.0070.04018.14
5.6.130.0070.09018.23
5.6.120.0030.09021.05
5.6.110.0100.07021.01
5.6.100.0030.04021.09
5.6.90.0030.08020.98
5.6.80.0030.06020.37
5.6.70.4530.03320.37
5.5.350.0100.08020.41
5.5.340.0070.08017.94
5.5.330.0170.07320.33
5.5.320.0100.03720.27
5.5.310.0170.05020.41
5.5.300.0030.05017.98
5.5.290.0130.08317.95
5.5.280.0100.08320.73
5.5.270.0070.08320.87
5.5.260.0100.05720.76
5.5.250.0100.06720.61
5.5.240.0130.07320.11
5.4.450.0700.06719.53
5.4.440.0900.06319.32
5.4.430.0800.06319.16
5.4.420.0800.05319.35
5.4.410.0870.04719.49
5.4.400.0800.05718.82
5.4.390.0800.05319.23
5.4.380.1200.05319.17
5.4.370.0900.05319.10
5.4.360.0700.05019.26
5.4.350.0770.06319.04
5.4.340.0970.06719.29
5.4.320.0330.04718.86
5.4.310.0170.06718.96
5.4.300.0300.05019.25
5.4.290.1030.06318.84
5.4.280.0600.06318.98
5.4.270.0530.04019.28
5.4.260.0130.05019.15
5.4.250.0130.05019.10
5.4.240.0630.07019.14
5.4.230.1000.06319.09
5.4.220.0600.04719.34
5.4.210.0170.06719.01
5.4.200.0700.05316.77
5.4.190.0530.06719.03
5.4.180.0670.05718.92
5.4.170.0670.05719.10
5.4.160.0830.04719.00
5.4.150.0800.05318.87
5.4.140.0870.04716.44
5.4.130.0600.05316.55
5.4.120.0930.04716.55
5.4.110.0730.04716.34
5.4.100.0830.06316.40
5.4.90.1030.04716.58
5.4.80.0770.06016.43
5.4.70.0730.05716.69
5.4.60.0930.04716.50
5.4.50.0970.06016.52
5.4.40.0830.05316.40
5.4.30.0630.05716.35
5.4.20.0630.06016.30
5.4.10.0730.06016.39
5.4.00.0900.04715.77

preferences:
49.64 ms | 401 KiB | 5 Q