3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = "asd"; var_dump(ctype_alpha($x[count($x) - 1]));

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)
8.3.60.0170.00316.63
8.3.50.0140.00416.29
8.3.40.0060.01218.59
8.3.30.0120.00318.67
8.3.20.0040.00421.78
8.3.10.0040.00421.91
8.3.00.0040.00419.68
8.2.180.0100.00716.38
8.2.170.0140.00322.96
8.2.160.0160.00019.47
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0070.00020.52
8.2.120.0040.00426.35
8.2.110.0030.00622.29
8.2.100.0110.00017.72
8.2.90.0030.00917.50
8.2.80.0080.00017.97
8.2.70.0040.00417.93
8.2.60.0020.00518.03
8.2.50.0000.00818.10
8.2.40.0080.00022.15
8.2.30.0060.00319.30
8.2.20.0000.00718.07
8.2.10.0040.00418.13
8.2.00.0040.00418.16
8.1.280.0100.01025.92
8.1.270.0050.00320.51
8.1.260.0050.00326.35
8.1.250.0030.00528.09
8.1.240.0060.00323.92
8.1.230.0000.01119.05
8.1.220.0030.00617.77
8.1.210.0060.00318.77
8.1.200.0090.00017.25
8.1.190.0030.00617.25
8.1.180.0040.00418.10
8.1.170.0030.00618.55
8.1.160.0040.00418.82
8.1.150.0050.00220.15
8.1.140.0000.00719.45
8.1.130.0040.00418.84
8.1.120.0000.00717.51
8.1.110.0030.00617.48
8.1.100.0040.00417.33
8.1.90.0070.00017.43
8.1.80.0020.00517.38
8.1.70.0000.00717.46
8.1.60.0030.00517.46
8.1.50.0040.00417.52
8.1.40.0000.01017.39
8.1.30.0040.00417.63
8.1.20.0040.00417.63
8.1.10.0050.00317.46
8.1.00.0070.00317.43
8.0.300.0040.00421.69
8.0.290.0060.00316.63
8.0.280.0070.00018.45
8.0.270.0050.00317.23
8.0.260.0070.00018.72
8.0.250.0030.00616.88
8.0.240.0050.00216.98
8.0.230.0030.00316.93
8.0.220.0000.00716.78
8.0.210.0080.00016.88
8.0.200.0000.00817.00
8.0.190.0100.00016.88
8.0.180.0030.00516.92
8.0.170.0070.00016.94
8.0.160.0080.00016.80
8.0.150.0070.00316.79
8.0.140.0040.00416.89
8.0.130.0000.00513.34
8.0.120.0000.00716.88
8.0.110.0090.00017.06
8.0.100.0040.00416.75
8.0.90.0040.00416.82
8.0.80.0060.01317.01
8.0.70.0030.00516.75
8.0.60.0000.00816.82
8.0.50.0030.00616.83
8.0.30.0080.00917.08
8.0.20.0140.00517.40
8.0.10.0040.00416.94
8.0.00.0100.01016.63
7.4.330.0050.00015.55
7.4.320.0000.00716.59
7.4.300.0060.00016.60
7.4.290.0000.00816.44
7.4.280.0000.00816.40
7.4.270.0070.00016.42
7.4.260.0000.00616.52
7.4.250.0040.00416.51
7.4.240.0000.00716.61
7.4.230.0050.00216.34
7.4.220.0120.00616.51
7.4.210.0120.00316.50
7.4.200.0000.00716.41
7.4.160.0060.01316.40
7.4.150.0080.01117.40
7.4.140.0100.00917.86
7.4.130.0130.00416.48
7.4.120.0150.00816.54
7.4.110.0070.01016.46
7.4.100.0060.01016.55
7.4.90.0070.01016.35
7.4.80.0000.01719.39
7.4.70.0060.01016.46
7.4.60.0070.01416.43
7.4.50.0060.00916.66
7.4.40.0090.00916.80
7.4.30.0180.00416.53
7.4.00.0080.00614.95
7.3.330.0050.00013.22
7.3.320.0060.00013.10
7.3.310.0060.00016.40
7.3.300.0050.00316.30
7.3.290.0080.00616.33
7.3.280.0090.00616.33
7.3.270.0090.00917.40
7.3.260.0140.00516.40
7.3.250.0130.00516.32
7.3.240.0020.01916.54
7.3.230.0100.00616.45
7.3.210.0030.01316.42
7.3.200.0070.01016.47
7.3.190.0120.00616.48
7.3.180.0120.00416.43
7.3.170.0110.00516.36
7.3.160.0090.01216.33
7.3.120.0030.01014.91
7.3.110.0090.00914.71
7.3.100.0070.01115.08
7.3.90.0090.00614.96
7.3.80.0060.00914.70
7.3.70.0080.00414.86
7.3.60.0040.01114.94
7.3.50.0100.00314.64
7.3.40.0000.01614.83
7.3.30.0120.00314.84
7.3.20.0030.01316.69
7.3.10.0070.00416.64
7.3.00.0040.00916.78
7.2.330.0130.00716.74
7.2.320.0080.01016.61
7.2.310.0070.01116.37
7.2.300.0130.00916.47
7.2.290.0150.00316.77
7.2.250.0110.00714.68
7.2.240.0000.01815.29
7.2.230.0030.01015.00
7.2.220.0090.00614.88
7.2.210.0070.01014.94
7.2.200.0070.00315.14
7.2.190.0040.01114.87
7.2.180.0060.00914.94
7.2.170.0060.00314.75
7.2.160.0060.00615.04
7.2.150.0120.00616.78
7.2.140.0070.00316.92
7.2.130.0040.00716.92
7.2.120.0030.01316.91
7.2.110.0120.00716.83
7.2.100.0030.01016.73
7.2.90.0080.00816.93
7.2.80.0030.00916.98
7.2.70.0040.01116.64
7.2.60.0050.01116.55
7.2.50.0100.00316.88
7.2.40.0040.01416.57
7.2.30.0060.00616.82
7.2.20.0000.01216.71
7.2.10.0120.00316.84
7.2.00.0050.00618.14
7.1.330.0140.00315.70
7.1.320.0040.00815.61
7.1.310.0120.00315.74
7.1.300.0060.00615.77
7.1.290.0060.00615.79
7.1.280.0060.00615.95
7.1.270.0060.01215.98
7.1.260.0070.00715.67
7.1.250.0070.00715.63
7.1.240.0070.01115.57
7.1.230.0040.00715.41
7.1.220.0000.00915.83
7.1.210.0100.00315.59
7.1.200.0000.01015.78
7.1.190.0040.01115.84
7.1.180.0000.01315.93
7.1.170.0100.00315.63
7.1.160.0030.01315.70
7.1.150.0060.00615.74
7.1.140.0000.01515.77
7.1.130.0030.01015.56
7.1.120.0030.01015.86
7.1.110.0040.00715.59
7.1.100.0040.00415.58
7.1.90.0070.00715.84
7.1.80.0120.00615.49
7.1.70.0060.00516.39
7.1.60.0120.01425.28
7.1.50.0170.00825.40
7.1.40.0150.01025.17
7.1.30.0170.01025.10
7.1.20.0160.01025.02
7.1.10.0020.01316.14
7.1.00.0080.00616.24
7.0.330.0060.00315.30
7.0.320.0070.01015.35
7.0.310.0080.00015.38
7.0.300.0040.00415.36
7.0.290.0090.00615.32
7.0.280.0040.00415.29
7.0.270.0120.00615.15
7.0.260.0030.00615.36
7.0.250.0090.00315.31
7.0.240.0030.01015.36
7.0.230.0100.00715.52
7.0.220.0000.01315.39
7.0.210.0030.00715.33
7.0.200.0070.00716.04
7.0.190.0050.01016.06
7.0.180.0070.00815.76
7.0.170.0020.01415.86
7.0.160.0050.00715.67
7.0.150.0070.00515.77
7.0.140.0050.01015.71
7.0.130.0020.01215.91
7.0.120.0020.01315.93
7.0.110.0050.01115.81
7.0.100.0120.00515.83
7.0.90.0110.00615.71
7.0.80.0050.01015.70
7.0.70.0050.00815.75
7.0.60.0070.00815.75
7.0.50.0040.01215.84
7.0.40.0080.00615.06
7.0.30.0030.01214.81
7.0.20.0100.00714.91
7.0.10.0050.01114.91
7.0.00.0030.01114.67
5.6.400.0080.00813.98
5.6.390.0100.00614.43
5.6.380.0120.00614.46
5.6.370.0000.01414.39
5.6.360.0000.01914.43
5.6.350.0070.00714.20
5.6.340.0000.01414.10
5.6.330.0110.00314.21
5.6.320.0070.00714.55
5.6.310.0040.00714.49
5.6.300.0030.01314.20
5.6.290.0040.00414.18
5.6.280.0070.00314.03
5.6.270.0040.01114.54
5.6.260.0090.00914.20
5.6.250.0090.00914.39
5.6.240.0120.00614.28
5.6.230.0030.01014.15
5.6.220.0060.00914.43
5.6.210.0030.01414.57
5.6.200.0070.00714.25
5.6.190.0030.00914.40
5.6.180.0040.00814.38
5.6.170.0030.01214.33
5.6.160.0080.00014.11
5.6.150.0030.00914.16
5.6.140.0000.00813.96
5.6.130.0030.01214.21
5.6.120.0030.01014.58
5.6.110.0070.00713.95
5.6.100.0040.00714.55
5.6.90.0030.01014.46
5.6.80.0090.00313.92
5.6.70.0120.00014.15
5.6.60.0040.01114.21
5.6.50.0090.00614.16
5.6.40.0060.00614.26
5.6.30.0060.00614.11
5.6.20.0100.00314.16
5.6.10.0000.00914.03
5.6.00.0030.01014.27

preferences:
35.89 ms | 400 KiB | 5 Q