3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((strval(false))); var_dump((strval(null))); var_dump((strval(0))); var_dump(strlen(strval(false))); var_dump(strlen(strval(null))); var_dump(strlen(strval(0)));

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)
8.3.70.0090.00616.63
8.3.60.0070.01118.45
8.3.50.0140.00719.75
8.3.40.0090.00618.59
8.3.30.0170.00318.64
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0060.00326.16
8.2.190.0040.01116.58
8.2.180.0070.01425.92
8.2.170.0120.00318.96
8.2.160.0000.01522.96
8.2.150.0050.00325.66
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0060.00617.53
8.2.110.0030.00720.94
8.2.100.0000.01117.66
8.2.90.0040.00420.55
8.2.80.0030.00619.64
8.2.70.0000.00917.38
8.2.60.0080.00017.38
8.2.50.0040.00417.98
8.2.40.0000.00718.09
8.2.30.0000.00717.52
8.2.20.0000.00719.53
8.2.10.0040.00417.61
8.2.00.0050.00219.09
8.1.280.0140.00325.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00318.99
8.1.230.0070.00420.81
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0000.01017.11
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0080.00018.62
8.1.150.0000.00718.54
8.1.140.0040.00417.30
8.1.130.0070.00018.74
8.1.120.0070.00017.30
8.1.110.0070.00017.21
8.1.100.0040.00417.18
8.1.90.0030.00317.28
8.1.80.0040.00517.30
8.1.70.0000.00717.34
8.1.60.0040.00417.45
8.1.50.0000.00817.39
8.1.40.0000.00817.41
8.1.30.0090.00017.44
8.1.20.0030.00517.48
8.1.10.0080.00017.38
8.1.00.0040.00417.30
8.0.300.0040.00419.78
8.0.290.0060.00316.75
8.0.280.0030.00318.30
8.0.270.0000.00716.72
8.0.260.0080.00018.21
8.0.250.0080.00016.83
8.0.240.0030.00316.77
8.0.230.0070.00016.79
8.0.220.0070.00016.80
8.0.210.0080.00016.81
8.0.200.0070.00016.89
8.0.190.0040.00416.76
8.0.180.0000.00816.72
8.0.170.0060.00316.84
8.0.160.0000.01016.80
8.0.150.0040.00416.64
8.0.140.0040.00416.70
8.0.130.0030.00313.30
8.0.120.0030.00313.19
8.0.110.0080.00413.25
8.0.100.0070.00513.21
8.0.90.0070.00413.27
8.0.80.0130.00013.19
8.0.70.0040.00813.19
8.0.60.0120.00013.22
8.0.50.0080.00413.19
8.0.30.0090.00313.18
8.0.20.0100.00313.30
8.0.10.0060.00613.27
8.0.00.0060.00013.21
7.4.330.0000.00515.55
7.4.320.0030.00316.38
7.4.300.0040.00416.44
7.4.290.0070.00016.32
7.4.280.0000.00816.39
7.4.270.0070.00016.21
7.4.260.0030.00316.35
7.4.250.0110.00013.25
7.4.240.0040.00413.12
7.4.230.0050.00313.20
7.4.220.0060.00513.16
7.4.210.0130.00013.15
7.4.200.0140.00013.15
7.4.190.0130.00013.19
7.4.180.0080.00513.13
7.4.160.0080.00513.16
7.4.150.0100.00313.13
7.4.140.0080.00512.98
7.4.130.0140.00013.00
7.4.120.0140.00013.13
7.4.110.0050.00513.02
7.4.100.0120.00013.13
7.4.90.0080.00412.99
7.4.80.0090.00313.07
7.4.70.0060.00713.14
7.4.60.0110.00313.05
7.4.50.0140.00012.98
7.4.40.0110.00012.93
7.4.30.0090.00213.06
7.4.20.0120.00013.04
7.4.10.0000.01113.07
7.4.00.0040.00812.98
7.3.330.0070.00016.04
7.3.320.0130.00012.91
7.3.310.0120.00013.02
7.3.300.0070.00413.05
7.3.290.0050.00513.03
7.3.280.0100.00013.00
7.3.270.0100.00012.96
7.3.260.0040.00213.07
7.3.250.0080.00013.04
7.3.240.0100.00012.99
7.3.230.0070.00413.02
7.3.220.0050.00513.04
7.3.210.0070.00013.14
7.3.200.0040.00413.01
7.3.190.0060.00312.78
7.3.180.0080.00313.10
7.3.170.0130.00012.91
7.3.160.0090.00312.86
7.3.150.0050.00313.05
7.3.140.0060.00312.93
7.3.130.0020.00512.84
7.3.120.0040.00412.70
7.3.110.0040.00412.76
7.3.100.0030.00712.71
7.3.90.0080.00013.20
7.3.80.0050.00312.95
7.3.70.0060.00012.77
7.3.60.0070.00412.99
7.3.50.0080.00413.19
7.3.40.0100.00313.12
7.3.30.0100.00413.23
7.3.20.0070.00714.81
7.3.10.0120.00014.77
7.3.00.0130.00214.91

preferences:
48.86 ms | 401 KiB | 5 Q