3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strtolower(0)); var_dump(strtolower(false)); var_dump(strtolower(true)); var_dump(strtolower(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)
8.4.130.0140.00617.76
8.4.120.0130.00722.13
8.4.110.0130.00822.22
8.4.100.0140.00617.59
8.4.90.0150.00518.63
8.4.80.0110.00917.99
8.4.70.0150.00517.79
8.4.60.0110.00620.45
8.4.50.0120.00817.61
8.4.40.0160.00319.33
8.4.30.0100.01020.47
8.4.20.0070.01419.65
8.4.10.0030.00622.43
8.3.260.0060.00516.55
8.3.250.0030.00618.74
8.3.240.0150.00516.60
8.3.230.0090.01016.50
8.3.220.0040.00317.05
8.3.210.0110.00816.50
8.3.200.0060.00516.65
8.3.190.0130.00617.16
8.3.180.0110.00816.64
8.3.170.0150.00316.56
8.3.160.0100.00716.55
8.3.150.0190.00019.11
8.3.140.0070.01117.28
8.3.130.0000.00916.56
8.3.120.0060.00318.78
8.3.110.0060.00320.94
8.3.100.0060.00324.06
8.3.90.0060.00326.77
8.3.80.0030.00616.38
8.3.70.0100.01016.75
8.3.60.0070.00716.63
8.3.50.0040.01120.27
8.3.40.0100.01020.20
8.3.30.0080.00818.86
8.3.20.0020.00524.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0090.00920.38
8.2.280.0100.00919.95
8.2.270.0090.00916.40
8.2.260.0120.00619.00
8.2.250.0000.01818.40
8.2.240.0080.00018.66
8.2.230.0060.00322.58
8.2.220.0090.00037.54
8.2.210.0050.00326.77
8.2.200.0030.00616.50
8.2.190.0120.00616.58
8.2.180.0190.00325.92
8.2.170.0110.00418.79
8.2.160.0070.00722.96
8.2.150.0100.00325.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0000.00922.31
8.2.100.0070.00417.66
8.2.90.0000.00817.63
8.2.80.0000.00818.79
8.2.70.0040.00417.50
8.2.60.0000.00817.68
8.2.50.0040.00418.07
8.2.40.0040.00417.97
8.2.30.0000.00717.99
8.2.20.0060.00320.41
8.2.10.0000.00718.04
8.2.00.0000.00719.10
8.1.330.0130.00523.78
8.1.320.0090.00915.92
8.1.310.0040.00416.27
8.1.300.0060.00917.70
8.1.290.0060.00318.88
8.1.280.0070.00725.92
8.1.270.0000.00823.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0120.00023.91
8.1.230.0060.00622.24
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.13
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0050.00318.51
8.1.160.0070.00018.67
8.1.150.0060.00318.52
8.1.140.0000.00817.36
8.1.130.0000.00718.76
8.1.120.0040.00417.35
8.1.110.0070.00017.28
8.1.100.0040.00417.21
8.1.90.0000.00717.33
8.1.80.0030.00317.34
8.1.70.0070.00017.30
8.1.60.0040.00417.47
8.1.50.0000.00717.42
8.1.40.0230.00417.38
8.1.30.0210.00317.52
8.1.20.0220.00017.33
8.1.10.0200.00317.25
8.1.00.0140.00917.26
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00818.31
8.0.270.0070.00016.69
8.0.260.0030.00318.34
8.0.250.0030.00316.74
8.0.240.0050.00316.82
8.0.230.0000.00916.72
8.0.220.0030.00316.65
8.0.210.0000.00716.76
8.0.200.0030.00316.74
8.0.190.0070.00016.79
8.0.180.0000.00716.79
8.0.170.0160.00416.79
8.0.160.0110.00416.66
8.0.150.0100.00316.58
8.0.140.0110.00716.64
8.0.130.0080.01216.49
8.0.120.0150.00416.68
8.0.110.0130.00616.71
8.0.100.0130.00816.75
8.0.90.0200.00316.69
8.0.80.0160.00316.57
8.0.70.0110.00816.60
8.0.60.0160.00316.63
8.0.50.0140.00716.74
8.0.30.0160.00616.57
8.0.20.0170.00316.75
8.0.10.0120.00616.76
7.4.330.0050.00015.55
7.4.320.0030.00316.46
7.4.300.0000.00716.44
7.4.290.0060.00016.47
7.4.280.0030.00316.39
7.4.270.0060.00316.35
7.4.260.0150.00316.43
7.4.250.0130.00316.18
7.4.240.0100.00816.38
7.4.230.0040.01516.26
7.4.220.0120.00616.39
7.4.210.0120.00716.22
7.4.200.0130.00616.30
7.4.190.0150.00316.49
7.4.180.0100.00716.29
7.4.160.0130.00316.32
7.4.150.0200.00016.32
7.4.140.0160.00316.22
7.4.130.0170.00216.12
7.4.120.0150.00616.22
7.4.110.0160.00316.24
7.4.100.0090.00916.43
7.4.90.0140.00516.29
7.4.80.0110.00716.30
7.4.70.0110.00816.22
7.4.60.0070.00216.11
7.4.50.0030.00716.15
7.4.40.0070.00316.16
7.4.30.0150.00416.17
7.4.20.0070.00716.11
7.4.10.0000.00816.21
7.4.00.0060.00616.29

preferences:
104.7 ms | 403 KiB | 5 Q