3v4l.org

run code in 300+ PHP versions simultaneously
<?php function returnsNull(): bob { return null; }

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)
8.3.60.0110.00416.25
8.3.50.0140.00521.99
8.3.40.0110.00418.32
8.3.30.0110.00318.51
8.3.20.0000.00720.21
8.3.10.0040.00423.53
8.3.00.0000.00819.13
8.2.180.0070.00718.04
8.2.170.0100.00322.96
8.2.160.0100.00722.17
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0050.00226.16
8.2.120.0000.00917.50
8.2.110.0040.00722.29
8.2.100.0070.00317.68
8.2.90.0000.00919.22
8.2.80.0000.00917.97
8.2.70.0050.00517.50
8.2.60.0050.00217.80
8.2.50.0080.00018.07
8.2.40.0040.00419.27
8.2.30.0000.00720.49
8.2.20.0000.00717.45
8.2.10.0000.00717.92
8.2.00.0070.00017.88
8.1.280.0100.01025.92
8.1.270.0090.00023.79
8.1.260.0070.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00320.70
8.1.230.0070.00417.66
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0090.00017.23
8.1.190.0060.00317.00
8.1.180.0000.00718.10
8.1.170.0000.00818.88
8.1.160.0000.00821.94
8.1.150.0040.00418.69
8.1.140.0000.00819.48
8.1.130.0070.00017.52
8.1.120.0040.00417.23
8.1.110.0000.00717.32
8.1.100.0000.00817.31
8.1.90.0030.00517.22
8.1.80.0040.00417.32
8.1.70.0030.00317.17
8.1.60.0000.00817.49
8.1.50.0060.00317.26
8.1.40.0000.00717.38
8.1.30.0070.00317.41
8.1.20.0040.00417.47
8.1.10.0000.00817.28
8.1.00.0100.00017.17
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0070.00018.31
8.0.270.0000.00717.04
8.0.260.0060.00017.04
8.0.250.0000.00716.73
8.0.240.0000.00816.71
8.0.230.0000.00716.73
8.0.220.0070.00016.80
8.0.210.0000.00716.73
8.0.200.0000.00716.86
8.0.190.0000.00816.84
8.0.180.0040.00416.78
8.0.170.0070.00316.79
8.0.160.0000.00716.85
8.0.150.0000.00716.80
8.0.140.0030.00516.69
8.0.130.0060.00013.12
8.0.120.0040.00416.68
8.0.110.0040.00416.75
8.0.100.0000.00816.63
8.0.90.0040.00416.68
8.0.80.0080.00916.81
8.0.70.0040.00416.65
8.0.60.0000.00716.74
8.0.50.0030.00516.71
8.0.30.0060.01216.89
8.0.20.0090.00917.40
8.0.10.0040.00416.84
8.0.00.0070.01016.47
7.4.330.0000.00515.08
7.4.320.0000.00616.30
7.4.300.0000.00616.51
7.4.290.0060.00016.32
7.4.280.0050.00216.45
7.4.270.0070.00016.30
7.4.260.0040.00416.35
7.4.250.0040.00416.38
7.4.240.0030.00316.44
7.4.230.0000.00716.57
7.4.220.0140.01016.40
7.4.210.0030.01216.53
7.4.200.0030.00316.40
7.4.160.0090.00616.23
7.4.150.0230.00017.40
7.4.140.0100.01217.86
7.4.130.0130.00516.35
7.4.120.0060.01116.31
7.4.110.0100.01416.42
7.4.100.0120.00616.55
7.4.90.0120.00416.31
7.4.80.0110.01119.39
7.4.70.0110.00716.37
7.4.60.0060.01216.19
7.4.50.0030.00516.36
7.4.40.0080.00816.38
7.4.30.0040.01216.59
7.4.00.0110.00714.63
7.3.330.0000.00613.09
7.3.320.0030.00313.16
7.3.310.0030.00316.26
7.3.300.0030.00316.17
7.3.290.0070.00816.13
7.3.280.0090.00716.15
7.3.270.0110.00617.40
7.3.260.0030.01316.18
7.3.250.0110.00616.35
7.3.240.0090.00716.32
7.3.230.0040.01416.39
7.3.210.0030.01316.19
7.3.200.0070.01016.37
7.3.190.0070.01016.31
7.3.180.0100.01016.25
7.3.170.0070.01016.27
7.3.160.0120.00416.29
7.3.00.0040.01116.45
7.2.330.0170.00316.47
7.2.320.0160.00316.39
7.2.310.0070.01016.25
7.2.300.0060.01116.40
7.2.290.0090.00916.25
7.2.130.0060.01016.64
7.2.120.0040.00716.55
7.2.110.0080.00416.41
7.2.100.0060.00916.77
7.2.90.0040.00816.62
7.2.80.0030.00916.57
7.2.70.0060.00616.66
7.2.60.0110.00416.64
7.2.50.0060.00316.58
7.2.40.0060.00916.85
7.2.30.0030.00716.86
7.2.20.0100.00016.86
7.2.10.0040.00816.90
7.2.00.0060.00917.75
7.1.250.0100.00315.55
7.1.240.0030.01015.43
7.1.230.0040.00415.13
7.1.220.0030.00615.30
7.1.210.0040.01115.62
7.1.200.0050.00715.37
7.1.190.0060.00315.66
7.1.180.0070.00315.50
7.1.170.0040.01115.69
7.1.160.0030.01015.38
7.1.150.0090.00615.20
7.1.140.0100.00315.46
7.1.130.0110.00315.63
7.1.120.0060.00615.37
7.1.110.0090.00315.39
7.1.100.0060.00816.63
7.1.90.0030.01015.48
7.1.80.0030.00615.17
7.1.70.0050.00816.30
7.1.60.0080.00917.54
7.1.50.0040.01216.20
7.1.40.0060.00615.24
7.1.30.0030.00615.32
7.1.20.0070.00315.47
7.1.10.0040.00415.40
7.1.00.0030.04218.81
7.0.330.0040.00815.03
7.0.320.0000.00815.15
7.0.310.0060.00615.05
7.0.300.0030.00615.15
7.0.290.0000.00814.84
7.0.280.0040.00715.18
7.0.270.0000.01215.11
7.0.260.0030.00714.80
7.0.250.0030.01315.39
7.0.240.0110.00415.05
7.0.230.0060.00315.21
7.0.220.0030.00915.13
7.0.210.0080.00415.08
7.0.200.0140.00514.85
7.0.190.0030.00715.30
7.0.180.0110.00315.13
7.0.170.0100.00315.26
7.0.160.0000.01015.18
7.0.150.0030.00714.93
7.0.140.0030.00615.04
7.0.130.0030.00715.08
7.0.120.0030.00715.31
7.0.110.0060.00615.01
7.0.100.0040.00715.20
7.0.90.0070.00015.06
7.0.80.0040.00415.34
7.0.70.0050.00515.11
7.0.60.0050.03517.49
7.0.50.0050.04016.54
7.0.40.0030.02516.61
7.0.30.0070.03916.68
7.0.20.0140.03216.64
7.0.10.0080.04316.58
7.0.00.0070.02916.74
5.6.380.0030.00913.88
5.6.370.0030.00713.81
5.6.360.0030.01214.05
5.6.350.0030.00614.34
5.6.340.0000.01214.17
5.6.330.0000.01414.22
5.6.320.0000.01014.38
5.6.310.0060.00614.10
5.6.300.0040.01114.02
5.6.290.0060.00614.37
5.6.280.0070.03217.58
5.6.270.0000.01214.18
5.6.260.0040.01113.75
5.6.250.0030.01313.87
5.6.240.0040.00514.18
5.6.230.0030.00914.32
5.6.220.0030.00714.21
5.6.210.0060.03917.23
5.6.200.0090.02116.18
5.6.190.0000.04017.41
5.6.180.0200.04317.32
5.6.170.0210.03617.29
5.6.160.0040.03617.19
5.6.150.0010.02816.25
5.6.140.0070.02816.03
5.6.130.0020.03116.22
5.6.120.0050.04417.52
5.6.110.0100.03817.64
5.6.100.0070.04217.45
5.6.90.0070.03217.77
5.6.80.0100.03717.17
5.6.70.0060.00613.95
5.6.60.0060.00613.89
5.6.50.0070.00713.82
5.6.40.0030.00613.93
5.6.30.0060.00613.73
5.6.20.0030.00613.95
5.6.10.0060.00613.90
5.6.00.0030.01014.07
5.5.380.0000.00910.94
5.5.370.0030.00610.41
5.5.360.0040.00410.64
5.5.350.0160.03715.62
5.5.340.0080.03814.38
5.5.330.0070.04515.70
5.5.320.0140.04015.59
5.5.310.0150.04115.52
5.5.300.0100.03714.31
5.5.290.0030.03714.44
5.5.280.0030.03415.81
5.5.270.0050.04415.73
5.5.260.0070.04615.83
5.5.250.0050.03515.70
5.5.240.0050.02715.56
5.5.230.0040.01110.54
5.5.220.0030.00610.77
5.5.210.0110.00010.50
5.5.200.0030.00610.50
5.5.190.0040.00710.76
5.5.180.0030.00310.62
5.5.170.0030.00610.89
5.5.160.0000.00510.89
5.5.150.0000.01010.94
5.5.140.0060.00310.85
5.5.130.0060.00010.96
5.5.120.0040.00410.80
5.5.110.0030.00310.86
5.5.100.0000.01010.77
5.5.90.0030.00710.60
5.5.80.0030.00310.75
5.5.70.0000.00710.85
5.5.60.0000.00910.95
5.5.50.0050.00510.71
5.5.40.0040.00410.74
5.5.30.0000.00710.49
5.5.20.0000.00810.87
5.5.10.0080.00311.00
5.5.00.0000.00710.74
5.4.450.0290.02815.16
5.4.440.0400.03215.11
5.4.430.0330.03615.18
5.4.420.0420.03915.23
5.4.410.0300.03015.17
5.4.400.0370.04014.89
5.4.390.0320.03014.76
5.4.380.0350.02915.03
5.4.370.0470.03014.87
5.4.360.0350.03014.90
5.4.350.0280.03315.02
5.4.340.0330.03414.86
5.4.330.0030.00610.76
5.4.320.0380.03614.99
5.4.310.0350.02914.92
5.4.300.0430.03014.93
5.4.290.0300.02814.89
5.4.280.0110.03114.98
5.4.270.0080.03114.91
5.4.260.0060.03214.96
5.4.250.0380.04414.87
5.4.240.0300.04115.08
5.4.230.0280.03214.87
5.4.220.0230.03114.93
5.4.210.0200.03414.81
5.4.200.0300.03814.95
5.4.190.0100.03514.80
5.4.180.0180.02814.81
5.4.170.0100.02714.93
5.4.160.0320.03914.70
5.4.150.0310.03115.00
5.4.140.0270.02713.58
5.4.130.0040.02813.45
5.4.120.0130.03513.68
5.4.110.0450.03113.54
5.4.100.0300.02713.70
5.4.90.0420.02413.54
5.4.80.0230.02613.61
5.4.70.0370.02813.63
5.4.60.0390.03813.72
5.4.50.0230.03613.57
5.4.40.0380.03313.57
5.4.30.0330.03413.66
5.4.20.0300.03113.61
5.4.10.0300.02713.50
5.4.00.0300.02513.31

preferences:
62.97 ms | 401 KiB | 5 Q