3v4l.org

run code in 300+ PHP versions simultaneously
<?php function emptyGenerator(): Generator { var_dump('Generator function started'); if (false) { yield 'some value'; } var_dump('Generator function finished'); } $generator = emptyGenerator(); var_dump('About to call $generator->valid()'); if ($generator->valid()) { var_dump('Generator is not empty, traversing'); foreach ($generator as $value) { var_dump('Generator yielded '.$value); } var_dump('Finished traversing generator'); } else { var_dump('Generator is empty'); }

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)
8.4.120.0030.00620.48
8.4.110.0130.00722.53
8.4.100.0100.01017.44
8.4.90.0140.00520.63
8.4.80.0130.00718.89
8.4.70.0090.00917.96
8.4.60.0130.00518.92
8.4.50.0050.00420.33
8.4.40.0090.00917.57
8.4.30.0130.00620.65
8.4.20.0090.00017.91
8.4.10.0130.00619.39
8.3.250.0060.00218.58
8.3.240.0110.00916.60
8.3.230.0070.00116.80
8.3.220.0090.00718.96
8.3.210.0130.00416.54
8.3.200.0070.00516.54
8.3.190.0120.00817.19
8.3.180.0100.00516.47
8.3.170.0060.01220.67
8.3.160.0110.00417.13
8.3.150.0130.00617.23
8.3.140.0100.00618.28
8.3.130.0060.00316.66
8.3.120.0040.00718.96
8.3.110.0030.00620.94
8.3.100.0070.01116.78
8.3.90.0050.00526.77
8.3.80.0090.00016.61
8.3.70.0120.00316.75
8.3.60.0140.00316.61
8.3.50.0150.00523.67
8.3.40.0120.00321.83
8.3.30.0110.00418.69
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0070.00026.16
8.2.290.0110.00816.91
8.2.280.0110.00718.29
8.2.270.0070.01116.90
8.2.260.0030.01516.55
8.2.250.0080.00018.46
8.2.240.0030.00517.05
8.2.230.0030.00622.58
8.2.220.0130.00324.06
8.2.210.0090.00626.77
8.2.200.0110.00016.50
8.2.190.0070.01416.58
8.2.180.0090.00925.92
8.2.170.0030.01018.91
8.2.160.0180.00022.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0040.00426.35
8.2.110.0040.00720.53
8.2.100.0070.00417.72
8.2.90.0030.00517.88
8.2.80.0080.00018.79
8.2.70.0070.00317.75
8.2.60.0000.00817.75
8.2.50.0120.00018.05
8.2.40.0070.00319.94
8.2.30.0050.00218.12
8.2.20.0040.00418.09
8.2.10.0040.00419.32
8.2.00.0000.00719.21
8.1.330.0100.00916.27
8.1.320.0080.00716.23
8.1.310.0120.00616.41
8.1.300.0070.01317.91
8.1.290.0060.00330.84
8.1.280.0000.02025.92
8.1.270.0090.00023.99
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0030.00919.13
8.1.230.0080.00320.90
8.1.220.0040.00418.44
8.1.210.0040.00418.77
8.1.200.0030.00617.66
8.1.190.0000.00917.35
8.1.180.0000.00818.10
8.1.170.0000.00718.61
8.1.160.0000.00818.90
8.1.150.0070.00018.91
8.1.140.0040.00418.93
8.1.130.0030.00620.24
8.1.120.0070.00017.43
8.1.110.0030.00617.47
8.1.100.0040.00417.35
8.1.90.0030.00617.45
8.1.80.0030.00517.44
8.1.70.0030.00317.40
8.1.60.0040.00417.48
8.1.50.0080.00017.50
8.1.40.0000.00817.54
8.1.30.0000.00817.54
8.1.20.0040.00417.64
8.1.10.0030.00617.33
8.1.00.0000.00717.35
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.45
8.0.270.0030.00318.06
8.0.260.0060.00020.19
8.0.250.0000.00716.95
8.0.240.0030.00316.88
8.0.230.0070.00016.95
8.0.220.0040.00416.97
8.0.210.0040.00416.98
8.0.200.0000.00616.89
8.0.190.0000.00916.95
8.0.180.0030.00616.88
8.0.170.0090.00016.98
8.0.160.0030.00616.92
8.0.150.0000.00716.77
8.0.140.0000.00816.94
8.0.130.0000.00513.35
8.0.120.0000.00716.80
8.0.110.0030.00516.90
8.0.100.0000.00716.96
8.0.90.0080.00016.94
8.0.80.0100.00516.96
8.0.70.0050.00216.74
8.0.60.0050.00316.74
8.0.50.0040.00416.87
8.0.30.0080.00816.81
8.0.20.0080.01117.13
8.0.10.0000.00717.02
8.0.00.0080.01716.51
7.4.330.0000.00415.55
7.4.320.0000.00816.64
7.4.300.0030.00316.54
7.4.290.0000.00716.54
7.4.280.0070.00316.54
7.4.270.0040.00416.59
7.4.260.0000.00513.18
7.4.250.0050.00316.56
7.4.240.0000.00716.52
7.4.230.0070.00016.34
7.4.220.0030.00416.63
7.4.210.0050.01116.60
7.4.200.0040.00416.71
7.4.130.0150.00516.48
7.4.120.0120.00816.53
7.4.110.0200.01016.50
7.4.100.0140.01016.31
7.4.90.0200.00616.33
7.4.80.0160.01016.54
7.4.70.0190.00716.52
7.4.60.0190.00916.52
7.4.50.0130.00816.47
7.4.40.0120.01016.51
7.4.30.0140.01116.52
7.4.20.0130.00816.42
7.4.10.0120.01016.43
7.4.00.0120.00916.60
7.3.330.0040.00416.35
7.3.320.0000.00813.11
7.3.310.0070.00016.25
7.3.300.0060.00016.23
7.3.290.0100.00616.32
7.3.260.0130.00716.52
7.3.240.0210.01016.46
7.3.230.0250.00616.33
7.3.220.0170.01216.26
7.3.210.0180.01016.34
7.3.200.0180.00816.35
7.3.190.0150.01016.29
7.3.180.0130.00916.37
7.3.170.0140.00616.40
7.3.160.0140.00816.35
7.3.150.0140.00916.28
7.3.140.0140.01116.41
7.3.130.0190.00816.26
7.3.120.0170.01016.30
7.3.110.0140.00916.24
7.3.100.0120.01016.32
7.3.90.0140.00816.35
7.3.80.0200.00416.37
7.3.70.0170.00816.28
7.3.60.0170.00716.31
7.3.50.0150.00916.38
7.3.40.0180.01016.24
7.3.30.0140.01216.34
7.3.20.0170.00916.38
7.3.10.0370.00816.32
7.3.00.0210.00816.41
7.2.340.0120.01516.46
7.2.330.0210.00716.66
7.2.320.0150.00916.58
7.2.310.0120.01016.52
7.2.300.0130.01016.48
7.2.290.0120.01116.67
7.2.280.0130.00916.56
7.2.270.0100.01216.52
7.2.260.0180.00816.58
7.2.250.0160.01216.63
7.2.240.0160.00616.60
7.2.230.0120.01016.59
7.2.220.0160.01016.48
7.2.210.0140.01116.42
7.2.200.0170.00816.52
7.2.190.0160.01016.53
7.2.180.0150.01216.54
7.2.170.0170.01016.46
7.2.160.0180.00616.47
7.2.150.0130.01416.51
7.2.140.0180.01316.58
7.2.130.0370.01016.55
7.2.120.0230.00416.54
7.2.110.0250.00416.54
7.2.100.0200.00916.54
7.2.90.0230.00816.53
7.2.80.0230.00816.60
7.2.70.0240.00616.51
7.2.60.0150.01216.58
7.2.50.0200.00916.57
7.2.40.0240.00616.69
7.2.30.0240.00916.59
7.2.20.0220.00516.57
7.2.10.0240.00816.57
7.2.00.0180.01016.54

preferences:
122.39 ms | 403 KiB | 5 Q