3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_strtolower('Γ'); function mb_strcasecmp($str1, $str2, $encoding = "UTF-8") { return strcmp(mb_strtoupper($str1, $encoding), mb_strtoupper($str2, $encoding)); } echo (bool)mb_strcasecmp('Γ', 'γ');

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)
8.5.10.0150.00916.67
8.5.00.0130.01019.79
8.4.150.0020.00014.05
8.4.140.0140.00717.41
8.4.130.0120.00918.55
8.4.120.0090.01020.33
8.4.110.0070.01318.95
8.4.100.0160.00719.02
8.4.90.0110.01020.46
8.4.80.0100.00420.58
8.4.70.0050.00818.62
8.4.60.0140.00718.91
8.4.50.0110.00920.25
8.4.40.0080.00317.42
8.4.30.0110.00817.76
8.4.20.0150.00619.41
8.4.10.0140.00719.29
8.3.280.0110.00818.37
8.3.270.0120.01016.45
8.3.260.0120.00816.53
8.3.250.0050.01117.16
8.3.240.0030.00516.69
8.3.230.0140.00616.69
8.3.220.0100.00819.05
8.3.210.0090.00918.32
8.3.200.0030.00516.48
8.3.190.0030.00517.27
8.3.180.0110.00818.96
8.3.170.0120.00616.66
8.3.160.0070.00716.99
8.3.150.0120.00617.16
8.3.140.0090.00018.92
8.3.130.0040.00418.62
8.3.120.0060.00320.91
8.3.110.0080.00016.25
8.3.100.0100.01016.38
8.3.90.0110.00418.43
8.3.80.0100.00018.30
8.3.70.0150.00616.47
8.3.60.0060.00916.50
8.3.50.0090.00918.31
8.3.40.0040.01118.80
8.3.30.0090.00618.53
8.3.20.0080.00020.34
8.3.10.0040.00421.96
8.3.00.0040.00423.67
8.2.290.0100.00920.49
8.2.280.0130.00618.18
8.2.270.0040.01416.73
8.2.260.0000.00816.54
8.2.250.0050.00318.58
8.2.240.0080.00017.09
8.2.230.0030.00620.94
8.2.220.0060.00324.06
8.2.210.0080.00026.77
8.2.200.0090.00316.63
8.2.190.0120.00316.58
8.2.180.0040.01516.47
8.2.170.0100.00722.96
8.2.160.0110.00320.36
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00822.25
8.2.120.0080.00026.35
8.2.110.0030.00722.16
8.2.100.0040.00717.79
8.2.90.0000.00818.22
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0030.00517.93
8.2.50.0040.00418.10
8.2.40.0000.00822.25
8.2.30.0050.00319.25
8.2.20.0040.00418.04
8.2.10.0080.00017.87
8.2.00.0040.00417.86
8.1.330.0060.01021.85
8.1.320.0100.00917.82
8.1.310.0080.01116.03
8.1.300.0090.00918.09
8.1.290.0030.00618.88
8.1.280.0120.00325.92
8.1.270.0080.00020.09
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0050.00523.88
8.1.230.0070.00420.84
8.1.220.0080.00017.74
8.1.210.0050.00518.77
8.1.200.0050.00517.13
8.1.190.0040.00417.00
8.1.180.0060.00318.10
8.1.170.0040.00418.66
8.1.160.0030.00318.94
8.1.150.0040.00420.21
8.1.140.0000.00817.78
8.1.130.0000.00718.87
8.1.120.0030.00617.48
8.1.110.0030.00517.45
8.1.100.0000.00917.35
8.1.90.0070.00017.43
8.1.80.0080.00017.45
8.1.70.0000.00817.49
8.1.60.0000.00817.55
8.1.50.0000.01017.47
8.1.40.0000.00717.50
8.1.30.0040.00417.69
8.1.20.0060.00317.55
8.1.10.0000.00817.41
8.1.00.0000.00917.45
8.0.300.0070.00020.09
8.0.290.0070.00016.75
8.0.280.0050.00218.42
8.0.270.0050.00317.30
8.0.260.0080.00018.35
8.0.250.0000.00716.93
8.0.240.0040.00416.87
8.0.230.0000.00916.94
8.0.220.0030.00316.86
8.0.210.0000.00716.99
8.0.200.0000.00716.94
8.0.190.0080.00016.98
8.0.180.0040.00416.89
8.0.170.0030.00716.90
8.0.160.0030.00516.86
8.0.150.0030.00316.86
8.0.140.0000.00716.87
8.0.130.0000.00513.28
8.0.120.0040.00416.80
8.0.110.0040.00416.77
8.0.100.0000.00716.91
8.0.90.0070.00016.88
8.0.80.0090.00616.86
8.0.70.0030.00316.84
8.0.60.0080.00016.74
8.0.50.0000.00716.76
8.0.30.0130.00616.99
8.0.20.0140.00817.40
8.0.10.0070.00016.89
8.0.00.0110.00716.86
7.4.330.0000.00415.55
7.4.320.0050.00316.59
7.4.300.0000.00616.50
7.4.290.0080.00016.54
7.4.280.0000.00816.58
7.4.270.0030.00316.62
7.4.260.0020.00516.47
7.4.250.0030.00316.57
7.4.240.0050.00316.50
7.4.230.0030.00316.47
7.4.220.0090.00916.63
7.4.210.0100.00516.69
7.4.200.0040.00216.71
7.4.160.0080.01016.53
7.4.150.0060.01117.40
7.4.140.0100.00717.86
7.4.130.0060.01216.28
7.4.120.0120.00816.49
7.4.110.0140.00516.47
7.4.100.0060.01516.29
7.4.90.0100.01016.56
7.4.80.0090.00919.39
7.4.70.0140.00316.41
7.4.60.0080.01016.37
7.4.50.0060.01216.23
7.4.40.0140.00416.40
7.4.30.0000.01616.25
7.4.20.0090.00616.43
7.4.10.0090.00616.41
7.4.00.0080.00715.82
7.3.330.0050.00013.34
7.3.320.0050.00013.36
7.3.310.0040.00416.44
7.3.300.0030.00316.37
7.3.290.0080.00916.36
7.3.280.0070.01016.35
7.3.270.0170.00617.40
7.3.260.0090.01316.46
7.3.250.0100.00916.40
7.3.240.0090.00816.39
7.3.230.0100.00716.49
7.3.210.0150.00616.68
7.3.200.0110.00616.37
7.3.190.0090.00616.61
7.3.180.0090.00616.20
7.3.170.0170.00016.41
7.3.160.0120.00816.23
7.3.150.0110.00816.31
7.3.140.0040.01516.26
7.3.130.0170.00416.32
7.3.120.0130.00316.32
7.3.110.0060.00916.31
7.3.100.0160.00016.23
7.3.90.0120.00316.46
7.3.80.0160.00016.18
7.3.70.0100.01016.19
7.3.60.0150.00916.43
7.3.50.0120.01216.11
7.3.40.0170.00316.24
7.3.30.0070.01316.13
7.3.20.0130.00716.36
7.3.10.0170.00316.39
7.3.00.0100.00716.35
7.2.330.0100.00716.55
7.2.320.0150.00316.69
7.2.310.0080.00816.20
7.2.300.0070.01016.52
7.2.290.0040.01216.39
7.2.280.0030.01316.38
7.2.270.0090.00616.35
7.2.260.0090.00916.61
7.2.250.0060.00916.35
7.2.240.0060.00916.36
7.2.230.0070.01016.57
7.2.220.0090.00916.47
7.2.210.0000.01716.71
7.2.200.0060.01016.60
7.2.190.0060.01316.41
7.2.180.0130.00316.36
7.2.170.0150.00916.47
7.2.160.0160.00016.60
7.2.150.0150.00316.60
7.2.140.0100.01016.62
7.2.130.0100.00716.59
7.2.120.0060.01016.57
7.2.110.0130.00416.61
7.2.100.0130.00316.58
7.2.90.0130.00316.56
7.2.80.0090.00616.55
7.2.70.0030.01316.46
7.2.60.0070.00816.71
7.2.50.0150.01016.69
7.2.40.0080.00816.48
7.2.30.0060.01016.48
7.2.20.0030.01316.38
7.2.10.0080.00816.62
7.2.00.0130.00316.54
7.1.330.0060.00915.65
7.1.320.0120.00615.72
7.1.310.0030.01215.57
7.1.300.0130.00615.43
7.1.290.0090.00615.60
7.1.280.0130.00715.39
7.1.270.0140.00315.48
7.1.260.0070.01315.43
7.1.250.0000.01615.62
7.1.240.0060.00915.67
7.1.230.0070.00715.43
7.1.220.0030.01215.42
7.1.210.0160.01015.59
7.1.200.0070.00515.47
7.1.190.0150.00015.57
7.1.180.0080.00715.59
7.1.170.0090.00615.48
7.1.160.0070.00715.45
7.1.150.0090.00615.38
7.1.140.0060.00815.38
7.1.130.0040.01115.40
7.1.120.0000.01515.35
7.1.110.0040.01115.52
7.1.100.0090.00616.71
7.1.90.0080.01016.63
7.1.80.0060.00916.73
7.1.70.0070.00916.33
7.1.60.0130.01025.37
7.1.50.0130.00825.15
7.1.40.0090.01124.90
7.1.30.0120.00824.94
7.1.20.0270.00725.06
7.1.10.0060.00715.98
7.1.00.0070.00616.09
7.0.330.0140.00315.35
7.0.320.0060.01015.39
7.0.310.0090.00615.24
7.0.300.0110.00515.39
7.0.290.0000.01415.25
7.0.280.0110.00415.25
7.0.270.0150.00914.96
7.0.260.0110.00314.93
7.0.250.0050.00915.35
7.0.240.0070.00716.64
7.0.230.0070.01116.41
7.0.220.0090.00816.46
7.0.210.0100.00815.83
7.0.200.0080.00516.02
7.0.190.0110.00516.06
7.0.180.0070.00915.82
7.0.170.0070.00815.73
7.0.160.0020.01115.65
7.0.150.0090.00315.67
7.0.140.0010.01215.75
7.0.130.0110.00315.55
7.0.120.0050.00915.88
7.0.110.0070.00715.80
7.0.100.0140.00115.56
7.0.90.0080.00815.78
7.0.80.0030.01215.72
7.0.70.0090.00515.72
7.0.60.0070.01015.73
7.0.50.0100.00815.71
7.0.40.0100.00615.81
7.0.30.0080.00715.76
7.0.20.0060.00915.64
7.0.10.0120.00315.70
7.0.00.0050.01115.80
5.6.400.0070.01316.09
5.6.390.0060.01215.88
5.6.380.0040.01515.59
5.6.370.0080.00815.65
5.6.360.0000.01715.93
5.6.350.0070.01015.76
5.6.340.0110.00715.95
5.6.330.0030.01415.86
5.6.320.0100.00715.91
5.6.310.0110.00715.93
5.6.300.0140.00315.62
5.6.290.0060.01115.70
5.6.280.0120.00615.72
5.6.270.0080.00815.99
5.6.260.0000.01615.73
5.6.250.0100.01016.09
5.6.240.0080.00815.54
5.6.230.0070.01015.72
5.6.220.0130.00315.55
5.6.210.0090.00915.57
5.6.200.0100.00715.78
5.6.190.0100.00715.85
5.6.180.0080.01115.85
5.6.170.0160.00415.57
5.6.160.0080.01215.68
5.6.150.0110.00815.51
5.6.140.0120.00915.66
5.6.130.0090.00915.74
5.6.120.0080.01115.59
5.6.110.0130.01015.86
5.6.100.0030.01315.82
5.6.90.0120.00615.55
5.6.80.0060.01215.70
5.6.70.0110.00715.63
5.6.60.0090.00915.29
5.6.50.0030.01615.48
5.6.40.0060.01015.52
5.6.30.0000.01715.52
5.6.20.0100.01015.68
5.6.10.0060.01315.21
5.6.00.0150.00415.60

preferences:
42.05 ms | 403 KiB | 5 Q