3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a='aaaa bbbb'; echo ucwords($a);

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)
8.3.60.0060.00918.18
8.3.50.0140.00018.20
8.3.40.0070.00718.58
8.3.30.0120.00318.36
8.3.20.0080.00020.21
8.3.10.0060.00321.92
8.3.00.0060.00320.99
8.2.180.0170.00316.50
8.2.170.0140.00322.96
8.2.160.0070.01419.04
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0000.00819.70
8.2.110.0030.00619.21
8.2.100.0040.00817.78
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0050.00219.46
8.2.50.0040.00418.10
8.2.40.0000.00720.59
8.2.30.0000.00719.09
8.2.20.0070.00018.05
8.2.10.0000.00817.98
8.2.00.0040.00417.96
8.1.280.0100.00725.92
8.1.270.0040.00422.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0110.00021.12
8.1.230.0110.00019.01
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0040.00418.52
8.1.160.0000.00818.81
8.1.150.0000.00720.25
8.1.140.0070.00019.51
8.1.130.0000.00718.66
8.1.120.0000.00717.30
8.1.110.0000.00817.24
8.1.100.0030.00517.39
8.1.90.0030.00317.27
8.1.80.0000.00817.35
8.1.70.0040.00417.32
8.1.60.0040.00417.55
8.1.50.0000.00817.34
8.1.40.0040.00417.40
8.1.30.0040.00417.51
8.1.20.0040.00417.52
8.1.10.0030.00617.36
8.1.00.0060.00617.35
8.0.300.0000.00718.77
8.0.290.0080.00016.58
8.0.280.0000.00718.41
8.0.270.0000.00717.25
8.0.260.0000.00718.77
8.0.250.0030.00316.96
8.0.240.0000.00816.84
8.0.230.0000.00716.80
8.0.220.0040.00416.82
8.0.210.0070.00016.80
8.0.200.0060.00016.82
8.0.190.0040.00416.76
8.0.180.0040.00416.74
8.0.170.0040.00416.82
8.0.160.0030.00616.72
8.0.150.0050.00516.84
8.0.140.0040.00416.79
8.0.130.0000.00613.27
8.0.120.0040.00416.63
8.0.110.0070.00016.77
8.0.100.0000.00816.68
8.0.90.0030.00316.84
8.0.80.0100.00616.75
8.0.70.0030.00316.82
8.0.60.0040.00416.67
8.0.50.0040.00416.83
8.0.30.0080.00917.06
8.0.20.0060.01317.40
8.0.10.0000.00716.86
8.0.00.0140.00416.66
7.4.330.0050.00015.55
7.4.320.0040.00416.53
7.4.300.0030.00316.46
7.4.290.0070.00016.42
7.4.280.0030.00516.43
7.4.270.0030.00316.56
7.4.260.0070.00316.55
7.4.250.0040.00416.40
7.4.240.0000.00716.54
7.4.230.0030.00316.41
7.4.220.0130.01316.45
7.4.210.0110.00616.51
7.4.200.0030.00316.34
7.4.160.0070.01016.49
7.4.150.0100.00717.40
7.4.140.0090.01017.86
7.4.130.0070.01016.49
7.4.120.0090.00916.56
7.4.110.0100.00816.34
7.4.100.0110.00816.49
7.4.90.0100.00716.36
7.4.80.0060.01519.39
7.4.70.0150.00316.41
7.4.60.0060.01216.39
7.4.50.0070.01116.35
7.4.40.0100.00716.62
7.4.30.0090.01316.49
7.4.00.0140.00014.70
7.3.330.0050.00012.88
7.3.320.0000.00612.92
7.3.310.0030.00316.12
7.3.300.0030.00316.17
7.3.290.0030.00416.03
7.3.280.0070.00916.12
7.3.270.0150.00917.40
7.3.260.0080.00816.40
7.3.250.0070.01016.31
7.3.240.0110.00716.21
7.3.230.0140.00316.16
7.3.210.0130.00316.17
7.3.200.0100.01216.23
7.3.190.0100.00616.18
7.3.180.0140.00716.24
7.3.170.0090.00616.50
7.3.160.0100.00716.08
7.3.120.0120.00414.64
7.3.110.0120.00314.67
7.3.100.0070.00714.65
7.3.90.0080.00414.68
7.3.80.0030.01014.41
7.3.70.0070.01014.73
7.3.60.0110.00414.81
7.3.50.0040.01114.79
7.3.40.0060.00614.70
7.3.30.0080.00414.75
7.3.20.0110.00416.35
7.3.10.0000.01416.66
7.3.00.0030.01316.38
7.2.330.0170.00316.46
7.2.320.0140.00316.50
7.2.310.0120.00816.56
7.2.300.0070.01016.46
7.2.290.0040.01416.36
7.2.240.0070.00714.38
7.2.230.0080.00614.78
7.2.220.0100.00614.82
7.2.210.0030.01314.70
7.2.200.0000.01014.73
7.2.190.0100.00714.67
7.2.180.0030.01214.57
7.2.170.0080.00814.73
7.2.160.0040.01114.77
7.2.150.0070.00716.57
7.2.140.0090.00616.80
7.2.130.0070.01016.81
7.2.120.0060.01016.73
7.2.110.0100.00716.70
7.2.100.0040.01116.82
7.2.90.0080.00416.61
7.2.80.0040.01116.61
7.2.70.0130.00316.85
7.2.60.0050.00716.87
7.2.50.0000.01516.86
7.2.40.0030.00916.54
7.2.30.0040.01116.69
7.2.20.0090.00616.81
7.2.10.0060.00616.68
7.2.00.0150.00016.82
7.1.330.0040.01115.80
7.1.320.0070.01015.52
7.1.310.0030.00715.55
7.1.300.0030.00715.74
7.1.290.0030.01315.54
7.1.280.0070.01015.71
7.1.270.0080.00415.71
7.1.260.0070.00315.78
7.1.250.0110.00015.74
7.1.200.0120.00315.66
7.1.80.0120.00718.30
7.1.70.0070.00717.13
7.1.60.0220.01034.72
7.1.50.0170.01634.76
7.1.40.0300.00734.20
7.1.30.0100.02534.26
7.1.20.0110.02534.51
7.1.10.0030.01616.57
7.1.00.0030.01316.49
7.0.200.0080.01616.55
7.0.190.0090.00916.52
7.0.180.0030.01516.30
7.0.170.0060.01216.24
7.0.160.0130.00616.08
7.0.150.0080.01216.05
7.0.140.0040.01316.28
7.0.130.0080.01216.62
7.0.120.0060.01116.33
7.0.110.0060.01415.98
7.0.100.0090.01016.38
7.0.90.0030.01716.41
7.0.80.0030.01416.43
7.0.70.0040.01616.25
7.0.60.0080.01215.91
7.0.50.0090.00916.42
7.0.40.0060.01016.45
7.0.30.0030.01016.63
7.0.20.0080.00816.25
7.0.10.0060.00916.31
7.0.00.0000.01716.39

preferences:
56.07 ms | 400 KiB | 5 Q