3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "yOu aRe KiNd"; echo strrev(ucwords(strrev(strtolower($str)))) . "\n";

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)
8.3.70.0140.00716.63
8.3.60.0150.00018.30
8.3.50.0100.00616.47
8.3.40.0170.00018.42
8.3.30.0140.00718.43
8.3.20.0040.00420.64
8.3.10.0050.00321.97
8.3.00.0070.00021.82
8.2.190.0080.00816.63
8.2.180.0040.01216.38
8.2.170.0040.01122.96
8.2.160.0070.00720.32
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0020.00526.16
8.2.120.0040.00426.16
8.2.110.0030.00620.95
8.2.100.0130.00618.46
8.2.90.0040.00417.93
8.2.80.0080.00018.64
8.2.70.0000.00817.63
8.2.60.0000.00817.79
8.2.50.0090.00318.07
8.2.40.0040.00418.22
8.2.30.0000.00717.92
8.2.20.0040.00418.10
8.2.10.0000.00819.16
8.2.00.0070.00019.27
8.1.280.0060.01225.92
8.1.270.0040.00422.48
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0050.00522.21
8.1.230.0000.01120.85
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0070.00017.35
8.1.180.0060.00318.10
8.1.170.0040.00418.45
8.1.160.0050.00318.75
8.1.150.0030.00319.01
8.1.140.0000.00820.75
8.1.130.0040.00422.04
8.1.120.0030.00417.46
8.1.110.0070.00017.32
8.1.100.0030.00517.33
8.1.90.0040.00417.47
8.1.80.0070.00017.45
8.1.70.0050.00317.39
8.1.60.0080.00317.61
8.1.50.0030.00617.48
8.1.40.0060.00317.49
8.1.30.0000.00817.55
8.1.20.0040.00417.68
8.1.10.0030.00617.47
8.1.00.0000.00717.40
8.0.300.0030.00518.77
8.0.290.0040.00416.75
8.0.280.0030.00318.34
8.0.270.0040.00417.91
8.0.260.0030.00319.91
8.0.250.0070.00016.82
8.0.240.0000.00816.90
8.0.230.0030.00316.87
8.0.220.0030.00316.81
8.0.210.0040.00416.87
8.0.200.0030.00316.85
8.0.190.0070.00016.91
8.0.180.0000.00816.94
8.0.170.0070.00416.84
8.0.160.0070.00316.79
8.0.150.0030.00316.80
8.0.140.0040.00416.84
8.0.130.0030.00313.29
8.0.120.0030.00616.80
8.0.110.0070.00016.87
8.0.100.0070.00016.89
8.0.90.0000.00916.77
8.0.80.0140.00616.83
8.0.70.0030.00516.80
8.0.60.0070.00016.59
8.0.50.0040.00416.82
8.0.30.0060.01017.26
8.0.20.0030.01616.94
8.0.10.0000.00816.80
8.0.00.0150.00316.66
7.4.330.0020.00216.80
7.4.320.0030.00316.51
7.4.300.0000.00616.34
7.4.290.0080.00016.43
7.4.280.0000.00816.45
7.4.270.0030.00316.50
7.4.260.0030.00313.14
7.4.250.0070.00016.44
7.4.240.0020.00516.34
7.4.230.0000.00716.51
7.4.220.0050.00216.34
7.4.210.0090.00716.42
7.4.200.0080.00016.31
7.4.130.0100.00716.30
7.4.120.0080.01116.23
7.4.110.0090.00916.44
7.4.100.0100.00716.58
7.4.90.0140.00416.31
7.4.80.0060.00919.39
7.4.70.0110.01116.43
7.4.60.0100.00616.49
7.4.50.0160.00316.39
7.4.40.0090.00616.27
7.4.10.0070.01115.04
7.4.00.0160.00315.10
7.3.330.0040.00416.32
7.3.320.0020.00213.02
7.3.310.0050.00316.14
7.3.300.0060.00016.18
7.3.290.0090.00916.14
7.3.260.0120.00616.21
7.3.240.0090.00616.35
7.3.230.0030.01416.11
7.3.210.0090.00916.44
7.3.200.0130.00616.16
7.3.190.0110.00716.61
7.3.180.0090.00616.23
7.3.170.0110.00616.43
7.3.160.0130.00716.22
7.3.130.0040.01114.84
7.3.120.0040.01414.90
7.3.110.0120.00414.90
7.3.100.0070.00714.59
7.3.90.0040.01114.70
7.3.80.0120.00314.52
7.3.70.0060.00914.77
7.3.60.0120.00314.74
7.3.50.0080.00514.67
7.3.40.0070.00714.82
7.3.30.0070.00714.65
7.3.20.0130.00014.78
7.3.10.0090.00614.83
7.3.00.0050.00914.73
7.2.330.0130.00316.61
7.2.320.0040.01816.57
7.2.310.0140.00316.64
7.2.300.0070.01716.43
7.2.290.0060.01216.72
7.2.260.0070.01414.95
7.2.250.0200.00014.80
7.2.240.0110.00814.90
7.2.230.0080.00715.19
7.2.220.0070.00715.18
7.2.210.0060.01015.18
7.2.200.0120.00314.95
7.2.190.0120.00315.02
7.2.180.0070.01014.93
7.2.170.0060.00814.78
7.2.160.0140.00014.95
7.2.150.0080.00615.18
7.2.140.0070.00715.07
7.2.130.0090.00615.06
7.2.120.0060.00915.01
7.2.110.0060.00915.13
7.2.100.0130.00314.89
7.2.90.0140.00415.17
7.2.80.0040.01115.16
7.2.70.0110.00614.97
7.2.60.0080.00615.16
7.2.50.0140.00215.04
7.2.40.0090.00615.11
7.2.30.0040.01115.02
7.2.20.0060.00814.94
7.2.10.0070.01015.04
7.2.00.0090.00614.86

preferences:
29.83 ms | 401 KiB | 5 Q