3v4l.org

run code in 300+ PHP versions simultaneously
<?php $phoneNo = '+4710001789'; echo substr($phoneNo, 0, 8); echo substr($phoneNo, 7, 4);

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)
8.3.60.0140.00716.50
8.3.50.0090.00618.20
8.3.40.0100.00718.77
8.3.30.0060.00918.38
8.3.20.0070.00020.04
8.3.10.0040.00423.70
8.3.00.0040.00423.61
8.2.180.0160.00016.38
8.2.170.0180.00422.96
8.2.160.0100.00320.41
8.2.150.0140.00025.66
8.2.140.0080.00024.66
8.2.130.0050.00222.04
8.2.120.0000.00726.35
8.2.110.0090.00021.12
8.2.100.0110.00017.78
8.2.90.0040.00419.27
8.2.80.0080.00017.97
8.2.70.0000.00817.37
8.2.60.0000.00817.80
8.2.50.0000.00818.22
8.2.40.0040.00420.36
8.2.30.0060.00321.15
8.2.20.0000.00818.12
8.2.10.0070.00317.86
8.2.00.0040.00417.96
8.1.280.0090.00625.92
8.1.270.0060.00323.97
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00623.66
8.1.230.0080.00317.70
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.25
8.1.190.0050.00318.90
8.1.180.0000.00818.10
8.1.170.0030.00518.59
8.1.160.0000.00718.80
8.1.150.0000.00718.68
8.1.140.0050.00317.54
8.1.130.0030.00320.61
8.1.120.0030.00317.38
8.1.110.0040.00417.34
8.1.100.0040.00417.38
8.1.90.0040.00417.31
8.1.80.0000.00817.29
8.1.70.0030.00317.27
8.1.60.0000.00817.41
8.1.50.0040.00417.50
8.1.40.0070.00317.43
8.1.30.0030.00517.64
8.1.20.0000.00717.61
8.1.10.0040.00417.52
8.1.00.0040.00417.32
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.41
8.0.270.0040.00417.17
8.0.260.0030.00316.81
8.0.250.0070.00016.81
8.0.240.0070.00016.90
8.0.230.0040.00416.77
8.0.220.0070.00016.70
8.0.210.0000.00716.85
8.0.200.0030.00316.86
8.0.190.0070.00416.76
8.0.180.0040.00416.80
8.0.170.0000.00716.73
8.0.160.0030.00316.78
8.0.150.0090.00316.75
8.0.140.0080.00016.70
8.0.130.0030.00313.29
8.0.120.0060.00316.77
8.0.110.0000.00816.82
8.0.100.0000.00716.79
8.0.90.0050.00216.93
8.0.80.0040.01216.69
8.0.70.0030.00516.69
8.0.60.0000.00716.83
8.0.50.0000.00716.92
8.0.30.0100.00817.03
8.0.20.0110.00817.40
8.0.10.0040.00416.75
8.0.00.0140.00316.71
7.4.330.0020.00216.66
7.4.320.0000.00616.43
7.4.300.0030.00316.40
7.4.290.0000.00716.32
7.4.280.0030.00516.37
7.4.270.0000.00716.50
7.4.260.0070.00016.48
7.4.250.0040.00416.31
7.4.240.0000.00816.44
7.4.230.0070.00016.45
7.4.220.0090.00916.42
7.4.210.0030.01016.46
7.4.200.0030.00316.43
7.4.160.0080.00816.37
7.4.150.0120.00617.40
7.4.140.0090.01017.86
7.4.130.0140.01116.46
7.4.120.0130.00716.43
7.4.110.0120.00616.33
7.4.100.0110.00816.33
7.4.90.0060.01216.40
7.4.80.0090.01219.39
7.4.70.0100.00716.37
7.4.60.0110.00516.48
7.4.50.0030.00816.46
7.4.40.0180.00316.20
7.4.30.0100.00716.30
7.4.10.0100.00715.08
7.4.00.0080.00814.84
7.3.330.0030.00612.96
7.3.320.0050.00013.06
7.3.310.0000.00715.95
7.3.300.0000.00716.12
7.3.290.0090.00716.17
7.3.280.0080.00916.14
7.3.270.0070.01017.40
7.3.260.0080.01016.34
7.3.250.0090.00916.28
7.3.240.0100.00816.31
7.3.230.0150.00916.31
7.3.210.0090.00916.09
7.3.200.0090.01516.44
7.3.190.0100.00516.47
7.3.180.0060.01016.19
7.3.170.0090.00816.25
7.3.160.0070.01016.38
7.3.130.0120.00614.67
7.3.120.0050.01214.80
7.3.110.0090.00814.43
7.3.100.0060.01114.84
7.3.90.0070.00814.65
7.3.80.0020.01314.74
7.3.70.0060.00614.68
7.3.60.0050.00814.61
7.3.50.0040.00714.59
7.3.40.0020.01114.40
7.3.30.0050.00714.76
7.3.20.0100.00216.56
7.3.10.0080.00816.38
7.3.00.0030.01016.54
7.2.330.0130.00316.57
7.2.320.0120.01516.42
7.2.310.0030.01316.46
7.2.300.0150.00616.58
7.2.290.0090.01216.37
7.2.260.0030.01314.89
7.2.250.0070.01214.68
7.2.240.0060.01114.83
7.2.230.0050.01114.84
7.2.220.0070.00514.88
7.2.210.0040.01314.88
7.2.200.0070.00614.67
7.2.190.0060.00914.79
7.2.180.0090.00614.82
7.2.170.0060.00614.96
7.2.160.0060.00914.90
7.2.150.0000.01316.78
7.2.140.0030.00916.82
7.2.130.0030.00716.93
7.2.120.0030.01216.73
7.2.110.0060.01016.46
7.2.100.0060.00316.56
7.2.90.0030.01016.67
7.2.80.0070.00716.96
7.2.70.0030.00616.87
7.2.60.0040.01016.61
7.2.50.0070.00716.86
7.2.40.0030.01116.56
7.2.30.0070.01016.93
7.2.20.0070.01116.44
7.2.10.0110.00416.60
7.2.00.0000.01116.72
7.1.330.0030.00915.68
7.1.320.0030.00815.68
7.1.310.0060.00615.57
7.1.300.0050.00515.64
7.1.290.0080.00615.77
7.1.280.0020.01015.71
7.1.270.0080.00515.41
7.1.260.0050.00815.77
7.1.250.0050.00315.74
7.1.240.0070.00715.77
7.1.230.0000.00815.76
7.1.220.0070.00715.67
7.1.210.0070.00715.85
7.1.200.0080.00615.62
7.1.190.0080.00515.62
7.1.180.0060.00615.61
7.1.170.0040.00815.61
7.1.160.0040.00815.79
7.1.150.0030.01015.46
7.1.140.0000.01515.34
7.1.130.0070.00715.65
7.1.120.0040.01115.71
7.1.110.0050.01016.87
7.1.100.0080.00716.95
7.1.90.0070.00716.91
7.1.80.0080.00616.71
7.1.70.0060.00816.37
7.1.60.0080.01925.42
7.1.50.0150.01125.02
7.1.40.0140.01125.14
7.1.30.0100.01825.13
7.1.20.0190.00325.06
7.1.10.0070.01016.16
7.1.00.0050.00816.02
7.0.330.0040.00815.41
7.0.320.0120.00015.32
7.0.310.0000.01115.41
7.0.300.0110.00415.03
7.0.290.0070.00415.52
7.0.280.0090.00315.06
7.0.270.0030.01015.30
7.0.260.0060.00615.43
7.0.250.0060.00916.40
7.0.240.0000.01316.55
7.0.230.0050.01116.48
7.0.220.0090.00616.26
7.0.210.0050.00615.88
7.0.200.0070.00716.07
7.0.190.0050.00915.81
7.0.180.0050.01015.86
7.0.170.0060.00715.77
7.0.160.0020.01115.76
7.0.150.0090.00715.68
7.0.140.0050.01115.58
7.0.130.0050.01115.93
7.0.120.0060.01015.67
7.0.110.0060.01115.96
7.0.100.0080.00815.95
7.0.90.0060.01115.87
7.0.80.0080.00715.96
7.0.70.0080.00615.70
7.0.60.0050.01015.71
7.0.50.0050.01315.85
7.0.40.0070.00914.74
7.0.30.0070.01014.84
7.0.20.0050.00914.81
7.0.10.0050.01314.88
7.0.00.0060.01414.75
5.6.400.0030.00914.32
5.6.390.0040.01114.09
5.6.380.0030.00914.56
5.6.370.0030.00914.14
5.6.360.0060.00314.32
5.6.350.0000.00914.22
5.6.340.0110.00414.18
5.6.330.0030.00713.92
5.6.320.0000.01513.98
5.6.310.0070.00414.36
5.6.300.0140.00013.78
5.6.290.0040.00414.27
5.6.280.0060.00614.14
5.6.270.0060.00614.25
5.6.260.0000.01014.15
5.6.250.0060.01014.42
5.6.240.0000.01814.26
5.6.230.0060.00914.15
5.6.220.0000.01014.31
5.6.210.0090.00614.31
5.6.200.0120.00614.15
5.6.190.0090.00914.39
5.6.180.0090.01114.11
5.6.170.0140.00614.08
5.6.160.0160.00414.16
5.6.150.0040.01213.86
5.6.140.0060.01114.38
5.6.130.0070.01114.29
5.6.120.0030.01214.14
5.6.110.0040.00414.03
5.6.100.0060.00914.37
5.6.90.0030.01214.08
5.6.80.0070.00714.28
5.6.70.0030.00614.15
5.6.60.0040.00814.33
5.6.50.0040.00814.35
5.6.40.0030.00514.11
5.6.30.0040.00414.03
5.6.20.0030.00714.18
5.6.10.0060.00314.41
5.6.00.0130.00314.07

preferences:
61.79 ms | 400 KiB | 5 Q