3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtolower('STRING');

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)
8.3.60.0090.00618.05
8.3.50.0080.00817.91
8.3.40.0070.01118.54
8.3.30.0130.00318.46
8.3.20.0000.00720.20
8.3.10.0100.00023.67
8.3.00.0040.00419.54
8.2.180.0110.00716.32
8.2.170.0110.00422.96
8.2.160.0120.00319.21
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0110.00020.95
8.2.110.0090.00020.34
8.2.100.0060.00617.66
8.2.90.0050.00317.86
8.2.80.0060.00320.53
8.2.70.0060.00317.93
8.2.60.0030.00517.93
8.2.50.0000.00818.10
8.2.40.0000.00820.26
8.2.30.0040.00419.17
8.2.20.0040.00417.86
8.2.10.0000.00717.96
8.2.00.0040.00418.15
8.1.280.0040.01225.92
8.1.270.0030.00520.41
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.85
8.1.230.0060.00620.90
8.1.220.0070.00017.74
8.1.210.0000.01118.77
8.1.200.0060.00317.23
8.1.190.0000.00817.27
8.1.180.0000.00718.10
8.1.170.0080.00018.47
8.1.160.0000.01018.70
8.1.150.0040.00420.16
8.1.140.0040.00417.61
8.1.130.0030.00618.92
8.1.120.0080.00017.23
8.1.110.0070.00017.30
8.1.100.0000.00717.31
8.1.90.0080.00017.30
8.1.80.0030.00317.31
8.1.70.0050.00217.30
8.1.60.0080.00017.45
8.1.50.0040.00417.32
8.1.40.0020.00517.36
8.1.30.0050.00217.55
8.1.20.0120.00017.55
8.1.10.0000.00817.46
8.1.00.0040.00417.38
8.0.300.0060.00320.03
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0000.00717.18
8.0.260.0030.00316.59
8.0.250.0000.00816.79
8.0.240.0030.00316.90
8.0.230.0080.00016.69
8.0.220.0070.00016.79
8.0.210.0000.00716.68
8.0.200.0030.00316.81
8.0.190.0070.00016.79
8.0.180.0040.00416.78
8.0.170.0060.00316.74
8.0.160.0050.00216.67
8.0.150.0030.00316.74
8.0.140.0050.00316.61
8.0.130.0000.00513.19
8.0.120.0040.00416.71
8.0.110.0040.00416.78
8.0.100.0070.00016.58
8.0.90.0000.00716.55
8.0.80.0100.01016.71
8.0.70.0040.00416.57
8.0.60.0070.00016.62
8.0.50.0030.00516.77
8.0.30.0080.01117.07
8.0.20.0110.00817.40
8.0.10.0000.00716.79
8.0.00.0120.00716.62
7.4.330.0000.00615.55
7.4.320.0030.00316.33
7.4.300.0030.00316.35
7.4.290.0000.00816.35
7.4.280.0020.00516.25
7.4.270.0000.00716.31
7.4.260.0030.00316.43
7.4.250.0070.00016.38
7.4.240.0000.00716.30
7.4.230.0070.00016.27
7.4.220.0000.00716.51
7.4.210.0060.01016.32
7.4.200.0080.00016.11
7.4.160.0070.01016.34
7.4.150.0140.00917.40
7.4.140.0080.01017.86
7.4.130.0120.00616.38
7.4.120.0110.00716.37
7.4.110.0100.00616.32
7.4.100.0110.00616.33
7.4.90.0080.00816.39
7.4.80.0150.00619.39
7.4.70.0170.00316.39
7.4.60.0130.00616.55
7.4.50.0060.00916.29
7.4.40.0090.00616.30
7.4.00.0030.01314.72
7.3.330.0020.00213.00
7.3.320.0050.00013.03
7.3.310.0040.00416.20
7.3.300.0000.00716.15
7.3.290.0100.01016.09
7.3.280.0130.00316.07
7.3.270.0090.00917.40
7.3.260.0100.01216.17
7.3.240.0090.00816.22
7.3.230.0090.00916.07
7.3.210.0130.00316.17
7.3.200.0100.00616.49
7.3.190.0120.00416.09
7.3.180.0090.00916.15
7.3.170.0060.01116.11
7.3.160.0100.00616.32
7.3.120.0060.01214.59
7.3.110.0090.00914.54
7.3.100.0090.00314.72
7.3.90.0030.01414.70
7.3.80.0040.01114.55
7.3.70.0100.00314.78
7.3.60.0000.01514.84
7.3.50.0110.00314.84
7.3.40.0030.01014.73
7.3.30.0070.00414.75
7.3.20.0110.00416.55
7.3.10.0060.00316.55
7.3.00.0060.00616.63
7.2.330.0100.00716.39
7.2.320.0100.00716.62
7.2.310.0090.00616.35
7.2.300.0290.01416.41
7.2.290.0100.00716.26
7.2.250.0060.00615.13
7.2.240.0130.00314.79
7.2.230.0040.00814.93
7.2.220.0030.01215.08
7.2.210.0030.01014.80
7.2.200.0030.00915.01
7.2.190.0000.01214.93
7.2.180.0070.00314.53
7.2.170.0040.01114.83
7.2.60.0090.00316.78
7.2.20.0030.01619.52
7.2.10.0100.01019.34
7.2.00.0040.01219.66
7.1.330.0040.01215.52
7.1.320.0070.01015.58
7.1.310.0040.01215.51
7.1.300.0110.00415.62
7.1.290.0090.00615.34
7.1.280.0030.01315.77
7.1.270.0030.00915.86
7.1.260.0040.00415.68
7.1.200.0040.01115.76
7.1.140.0100.00518.24
7.1.130.0030.01018.15
7.1.120.0000.01518.32
7.1.110.0070.01017.73
7.1.100.0080.00818.08
7.1.90.0000.01618.07
7.1.80.0040.01217.98
7.1.70.0030.01216.95
7.1.60.0160.01334.80
7.1.50.0210.01434.39
7.1.40.0170.01334.32
7.1.30.0170.01434.55
7.1.20.0250.01334.36
7.1.10.0130.00316.36
7.1.00.0000.01316.44

preferences:
65.07 ms | 400 KiB | 5 Q