3v4l.org

run code in 300+ PHP versions simultaneously
<?php $accountNumber = "NRAITCHEFF"; $analyticsClasses = "1234567F"; var_dump( strpos( $analyticsClasses, substr($accountNumber, 0, 1) ), is_numeric(strpos( $analyticsClasses, substr($accountNumber, 0, 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)
8.3.60.0130.00318.03
8.3.50.0130.00717.79
8.3.40.0040.01318.49
8.3.30.0120.00318.46
8.3.20.0070.00018.76
8.3.10.0080.00419.07
8.3.00.0000.00817.68
8.2.180.0120.00418.41
8.2.170.0100.00722.96
8.2.160.0030.01218.86
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00819.82
8.2.120.0040.00426.35
8.2.110.0060.00322.07
8.2.100.0100.00317.42
8.2.90.0080.00017.63
8.2.80.0030.00518.79
8.2.70.0040.00417.77
8.2.60.0090.00017.68
8.2.50.0070.00318.10
8.2.40.0000.00821.01
8.2.30.0040.00419.28
8.2.20.0030.00317.98
8.2.10.0040.00418.03
8.2.00.0040.00419.30
8.1.280.0140.00725.92
8.1.270.0090.00022.11
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00622.05
8.1.230.0110.00319.16
8.1.220.0080.00018.48
8.1.210.0000.00918.77
8.1.200.0040.00417.10
8.1.190.0030.00617.22
8.1.180.0030.00618.10
8.1.170.0050.00318.25
8.1.160.0000.00718.73
8.1.150.0040.00418.87
8.1.140.0000.00717.51
8.1.130.0030.00318.89
8.1.120.0040.00417.28
8.1.110.0030.00617.38
8.1.100.0070.00017.38
8.1.90.0000.00817.36
8.1.80.0030.00517.33
8.1.70.0000.00717.27
8.1.60.0000.00817.43
8.1.50.0040.00417.39
8.1.40.0080.00017.34
8.1.30.0000.00817.59
8.1.20.0000.00817.59
8.1.10.0070.00017.43
8.1.00.0040.00417.35
8.0.300.0060.00318.77
8.0.290.0080.00016.58
8.0.280.0000.00718.33
8.0.270.0070.00017.05
8.0.260.0030.00317.22
8.0.250.0030.00316.84
8.0.240.0080.00016.89
8.0.230.0040.00416.88
8.0.220.0040.00416.70
8.0.210.0070.00016.72
8.0.200.0070.00016.91
8.0.190.0040.00316.76
8.0.180.0040.00416.82
8.0.170.0040.00416.79
8.0.160.0000.00716.90
8.0.150.0070.00016.75
8.0.140.0000.00716.80
8.0.130.0000.00613.16
8.0.120.0000.00816.80
8.0.110.0040.00416.66
8.0.100.0020.00516.86
8.0.90.0000.00716.88
8.0.80.0100.00816.78
8.0.70.0000.00716.84
8.0.60.0040.00416.82
8.0.50.0040.00416.88
8.0.30.0080.01116.95
8.0.20.0070.01117.40
8.0.10.0030.00316.85
8.0.00.0130.00716.72
7.4.330.0000.00415.55
7.4.320.0060.00016.52
7.4.300.0030.00316.46
7.4.290.0000.00716.51
7.4.280.0020.00516.51
7.4.270.0000.00716.32
7.4.260.0000.00716.39
7.4.250.0000.00816.52
7.4.240.0000.00716.53
7.4.230.0030.00316.53
7.4.220.0040.00416.50
7.4.210.0090.00616.55
7.4.200.0070.00016.34
7.4.160.0070.01016.44
7.4.140.0100.00717.86
7.4.130.0170.00716.24
7.4.120.0080.01016.39
7.4.110.0100.00716.35
7.4.100.0120.00316.32
7.4.90.0140.00316.39
7.4.80.0070.01119.39
7.4.70.0100.01116.54
7.4.60.0070.01016.41
7.4.50.0050.00616.22
7.4.40.0060.01816.38
7.4.00.0030.01215.02
7.3.330.0030.00312.86
7.3.320.0040.00413.04
7.3.310.0000.00716.11
7.3.300.0000.00815.99
7.3.290.0030.00316.12
7.3.280.0070.01316.14
7.3.260.0100.00816.22
7.3.240.0070.01016.31
7.3.230.0080.00816.34
7.3.210.0070.01116.33
7.3.200.0120.00316.17
7.3.190.0080.00816.42
7.3.180.0080.00816.41
7.3.170.0090.01216.26
7.3.160.0070.01016.15
7.2.330.0170.00916.24
7.2.320.0100.01016.55
7.2.310.0100.00716.39
7.2.300.0120.00616.43
7.2.290.0160.00316.34
7.2.60.0200.01314.52
7.2.50.0540.01314.78
7.2.40.1960.01015.13
7.2.30.0180.01315.05
7.2.20.4980.00715.08
7.2.10.5980.01315.10
7.2.00.1120.00815.26
7.1.200.0000.00915.43
7.1.170.0420.00713.80
7.1.161.6690.01516.74
7.1.150.1500.01316.54
7.1.140.0170.01016.64
7.1.130.0760.01216.36
7.1.120.0740.01416.75
7.1.110.0180.01115.98
7.1.100.0240.01415.80
7.1.90.0150.01416.16
7.1.80.0790.01316.26
7.1.70.0330.01315.13
7.1.60.0470.01632.93
7.1.50.1410.01732.54
7.1.40.0450.01232.38
7.1.30.0410.01432.59
7.1.20.0430.01632.68
7.1.10.0450.01014.49
7.1.00.3700.01314.85

preferences:
73.09 ms | 401 KiB | 5 Q