3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str1 = "a\u{0300}"; $str2 = "à"; // str1 and str2 produce the same character! // what we normally do: var_dump($str1 === $str2); // what we should be doing in php: $str1 = Normalizer::normalize($str1); $str2 = Normalizer::normalize($str2); var_dump($str1 === $str2);

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)
8.5.30.0100.00817.31
8.5.20.0110.00619.62
8.5.10.0100.00718.55
8.5.00.0130.00820.46
8.4.180.0130.00921.95
8.4.170.0140.00724.38
8.4.160.0130.01321.07
8.4.150.0070.00517.13
8.4.140.0110.01017.77
8.4.130.0110.01018.03
8.4.120.0050.00422.70
8.4.110.0080.00822.68
8.4.100.0140.00718.05
8.4.90.0120.00917.88
8.4.80.0110.01117.93
8.4.70.0100.00817.95
8.4.60.0120.00918.97
8.4.50.0090.01119.73
8.4.40.0100.01019.50
8.4.30.0100.00722.58
8.4.20.0060.01320.53
8.4.10.0040.00422.63
8.3.300.0120.00821.27
8.3.290.0110.00921.18
8.3.280.0090.01118.69
8.3.270.0130.00716.99
8.3.260.0100.00916.90
8.3.250.0130.00519.06
8.3.240.0130.00616.79
8.3.230.0110.00816.83
8.3.220.0100.00917.48
8.3.210.0060.00216.89
8.3.200.0150.00417.02
8.3.190.0060.00617.54
8.3.180.0110.00716.90
8.3.170.0090.00616.70
8.3.160.0140.00416.70
8.3.150.0100.00717.05
8.3.140.0090.00017.38
8.3.130.0100.00018.77
8.3.120.0090.00018.86
8.3.110.0070.01120.94
8.3.100.0090.00924.06
8.3.90.0030.00726.77
8.3.80.0030.00618.43
8.3.70.0120.00616.88
8.3.60.0100.00718.43
8.3.50.0070.00717.62
8.3.40.0110.00718.92
8.3.30.0110.00418.84
8.3.20.0040.00422.65
8.3.10.0040.00423.91
8.3.00.0060.00322.69
8.2.300.0080.01222.54
8.2.290.0060.00420.88
8.2.280.0080.00218.93
8.2.270.0060.01216.86
8.2.260.0040.00419.20
8.2.250.0090.00918.75
8.2.240.0060.00317.33
8.2.230.0030.00622.58
8.2.220.0080.00037.54
8.2.210.0080.00026.77
8.2.200.0080.00017.00
8.2.190.0140.00718.54
8.2.180.0120.00318.92
8.2.170.0120.00622.96
8.2.160.0080.00620.58
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0060.00326.16
8.2.110.0030.00619.57
8.2.100.0080.00318.34
8.2.90.0050.00318.41
8.2.80.0090.00018.28
8.2.70.0040.00418.18
8.2.60.0050.00318.28
8.2.50.0080.00018.10
8.2.40.0040.00419.59
8.2.30.0050.00319.39
8.2.20.0040.00418.30
8.2.10.0040.00419.55
8.2.00.0040.00419.44
8.1.340.0040.00617.98
8.1.330.0110.00916.80
8.1.320.0060.00916.59
8.1.310.0100.00017.20
8.1.300.0060.01216.36
8.1.290.0030.00618.88
8.1.280.0110.00425.92
8.1.270.0060.00320.56
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00022.26
8.1.230.0080.00423.00
8.1.220.0030.00618.01
8.1.210.0030.00618.77
8.1.200.0030.00617.47
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0080.00021.02
8.1.160.0050.00319.18
8.1.150.0000.00718.98
8.1.140.0040.00419.16
8.1.130.0030.00320.36
8.1.120.0040.00417.67
8.1.110.0020.00517.46
8.1.100.0080.00317.56
8.1.90.0040.00417.70
8.1.80.0040.00417.58
8.1.70.0030.00517.49
8.1.60.0000.00917.70
8.1.50.0030.00517.53
8.1.40.0060.00317.60
8.1.30.0050.00317.70
8.1.20.0000.00817.81
8.1.10.0000.00717.69
8.1.00.0050.00317.73
8.0.300.0000.00719.89
8.0.290.0080.00016.75
8.0.280.0070.00018.50
8.0.270.0030.00316.98
8.0.260.0000.00620.19
8.0.250.0070.00017.00
8.0.240.0030.00317.18
8.0.230.0070.00017.21
8.0.220.0040.00417.03
8.0.210.0030.00317.07
8.0.200.0000.00617.13
8.0.190.0030.00317.14
8.0.180.0000.00717.06
8.0.170.0040.00417.07
8.0.160.0070.00017.09
8.0.150.0080.00017.00
8.0.140.0040.00417.00
8.0.130.0050.00013.35
8.0.120.0050.00316.97
8.0.110.0070.00017.06
8.0.100.0000.00716.91
8.0.90.0000.00917.04
8.0.80.0060.00917.10
8.0.70.0040.00416.96
8.0.60.0030.00516.94
8.0.50.0000.00816.96
8.0.30.0100.01017.17
8.0.20.0120.01217.54
8.0.10.0040.00417.01
8.0.00.0120.01217.02
7.4.330.0050.00015.55
7.4.320.0060.00016.86
7.4.300.0040.00416.81
7.4.290.0000.00816.83
7.4.280.0030.00716.70
7.4.270.0070.00016.85
7.4.260.0050.00013.22
7.4.250.0040.00416.80
7.4.240.0060.00216.80
7.4.230.0000.00716.70
7.4.220.0050.00216.88
7.4.210.0060.00816.84
7.4.200.0030.00316.91
7.4.140.0130.01017.86
7.4.130.0110.00716.82
7.4.120.0030.01416.63
7.4.110.0140.00316.85
7.4.100.0170.00616.57
7.4.90.0070.01016.84
7.4.80.0120.00619.39
7.4.70.0100.00716.70
7.4.60.0140.00716.86
7.4.50.0100.00316.58
7.4.40.0130.00316.53
7.4.00.0110.00415.04
7.3.330.0000.00716.30
7.3.320.0000.00513.07
7.3.310.0030.00316.39
7.3.300.0040.00416.47
7.3.290.0030.00316.41
7.3.260.0090.01016.72
7.3.240.0100.00916.66
7.3.230.0130.00916.60
7.3.210.0090.00916.70
7.3.200.0070.01016.34
7.3.190.0070.01116.72
7.3.180.0130.00616.34
7.3.170.0060.01616.57
7.3.160.0060.00916.71
7.3.100.0000.01414.92
7.3.90.0120.00615.10
7.3.80.0080.00815.11
7.3.70.0100.01014.72
7.3.60.0140.00014.82
7.3.50.0030.01214.73
7.3.40.0060.00614.61
7.3.30.0070.01314.87
7.3.20.0030.01014.89
7.3.10.0040.01114.96
7.3.00.0220.00914.82
7.2.330.0110.00616.63
7.2.320.0130.00316.76
7.2.310.0060.01516.69
7.2.300.0110.00816.93
7.2.290.0040.01216.78
7.2.230.0130.00015.02
7.2.220.0070.00715.21
7.2.210.0120.00914.82
7.2.200.0090.00515.16
7.2.190.0110.00415.00
7.2.180.0070.01314.97
7.2.170.0060.01515.12
7.2.160.0110.00315.21
7.2.150.0040.01115.16
7.2.140.0060.00915.15
7.2.130.0100.01014.86
7.2.120.0030.01215.14
7.2.110.0080.00814.94
7.2.100.0050.00914.98
7.2.90.0110.00715.24
7.2.80.0130.00715.08
7.2.70.0110.00715.17
7.2.60.0100.01015.24
7.2.50.0030.01415.28
7.2.40.0120.00415.10
7.2.30.0100.00715.06
7.2.20.0070.01115.11
7.2.10.0030.01315.22
7.2.00.0090.00915.08
7.1.320.0180.00314.04
7.1.310.0100.01014.12
7.1.300.0060.01414.25
7.1.290.0030.01014.35
7.1.280.0090.00914.19
7.1.270.0080.00513.99
7.1.260.0040.01513.82
7.1.250.0100.00314.11

preferences:
114.64 ms | 1455 KiB | 5 Q