3v4l.org

run code in 300+ PHP versions simultaneously
<?php $results['EEVSSN'] = "101107668"; $ssn1 = substr($results['EEVSSN'],1,2); //$ssn2 = substr($results['EEVSSN']); //$ssn3 = substr($results['EEVSSN']); echo $ss1;

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)
8.3.60.0130.00618.39
8.3.50.0150.00221.21
8.3.40.0030.01318.67
8.3.30.0100.00319.13
8.3.20.0050.00220.26
8.3.10.0040.00422.06
8.3.00.0080.00022.44
8.2.180.0070.00718.29
8.2.170.0140.00422.96
8.2.160.0060.01219.14
8.2.150.0080.00024.18
8.2.140.0160.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00919.61
8.2.110.0060.00322.25
8.2.100.0110.00019.23
8.2.90.0000.00719.20
8.2.80.0070.00018.05
8.2.70.0030.00617.75
8.2.60.0080.00318.04
8.2.50.0000.00818.07
8.2.40.0000.00718.16
8.2.30.0020.00517.99
8.2.20.0080.00017.77
8.2.10.0050.00317.80
8.2.00.0100.00017.79
8.1.280.0060.00925.92
8.1.270.0040.00422.10
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0140.00723.71
8.1.230.0060.00619.09
8.1.220.0080.00017.79
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.51
8.1.180.0050.00318.75
8.1.170.0040.00818.34
8.1.160.0000.00722.11
8.1.150.0000.00718.48
8.1.140.0000.00717.38
8.1.130.0000.00617.88
8.1.120.0070.00017.44
8.1.110.0000.00717.39
8.1.100.0040.00417.22
8.1.90.0040.00417.27
8.1.80.0000.00817.27
8.1.70.0050.00317.29
8.1.60.0040.00417.49
8.1.50.0000.00917.48
8.1.40.0000.00717.46
8.1.30.0040.00417.45
8.1.20.0000.00817.56
8.1.10.0030.00517.61
8.1.00.0000.00717.48
8.0.300.0000.00818.77
8.0.290.0000.00817.18
8.0.280.0000.00718.43
8.0.270.0030.00317.13
8.0.260.0030.00316.91
8.0.250.0000.00716.95
8.0.240.0050.00517.02
8.0.230.0030.00316.84
8.0.220.0040.00416.77
8.0.210.0000.00716.92
8.0.200.0040.00416.90
8.0.190.0050.00216.93
8.0.180.0080.00016.90
8.0.170.0040.00416.78
8.0.160.0070.00016.92
8.0.150.0030.00616.87
8.0.140.0060.00316.89
8.0.130.0070.00013.27
8.0.120.0000.00816.85
8.0.110.0040.00416.74
8.0.100.0050.00316.94
8.0.90.0040.00416.90
8.0.80.0060.01016.89
8.0.70.0070.00016.70
8.0.60.0000.00717.00
8.0.50.0040.00416.78
8.0.30.0120.01117.09
8.0.20.0070.01117.40
8.0.10.0000.00716.87
8.0.00.0060.01316.88
7.4.330.0020.00215.00
7.4.320.0060.00016.44
7.4.300.0030.00316.42
7.4.290.0060.00016.52
7.4.280.0000.00716.56
7.4.270.0070.00016.42
7.4.260.0080.00016.33
7.4.250.0000.00816.32
7.4.240.0040.00416.50
7.4.230.0050.00316.23
7.4.220.0070.01016.63
7.4.210.0090.00616.47
7.4.200.0000.00716.31
7.4.190.0030.00316.54
7.4.160.0110.00716.69
7.4.150.0130.00617.40
7.4.140.0080.01217.86
7.4.130.0110.00816.56
7.4.120.0080.00816.33
7.4.110.0080.00816.48
7.4.100.0180.00016.53
7.4.90.0070.01716.54
7.4.80.0150.00719.39
7.4.70.0150.00916.47
7.4.60.0080.00816.51
7.4.50.0050.00316.56
7.4.40.0050.00522.77
7.4.30.0100.00716.48
7.4.00.0070.01014.68
7.3.330.0000.00513.30
7.3.320.0030.00313.21
7.3.310.0040.00416.34
7.3.300.0030.00316.36
7.3.290.0040.00916.43
7.3.280.0100.00616.35
7.3.270.0110.00917.40
7.3.260.0150.00616.13
7.3.250.0050.01216.45
7.3.240.0060.00916.59
7.3.230.0130.00716.39
7.3.210.0100.00716.45
7.3.200.0030.01619.39
7.3.190.0030.01516.48
7.3.180.0100.00616.56
7.3.170.0030.01216.56
7.3.160.0100.00716.58
7.3.120.0030.01314.99
7.3.10.0050.00516.71
7.3.00.0090.00516.58
7.2.330.0070.01116.74
7.2.320.0070.01016.55
7.2.310.0100.00716.50
7.2.300.0070.01016.54
7.2.290.0120.00416.75
7.2.130.0010.00916.80
7.2.120.0060.01016.83
7.2.110.0050.00517.01
7.2.100.0070.00716.74
7.2.90.0020.00916.55
7.2.80.0080.00516.92
7.2.70.0060.00616.83
7.2.60.0080.00716.73
7.2.50.0030.00816.79
7.2.40.0020.01016.77
7.2.30.0070.00316.79
7.2.20.0060.01016.85
7.2.10.0020.01216.85
7.2.00.0050.00817.69
7.1.250.0030.00715.56
7.1.200.0040.00415.75
7.1.100.0040.00718.14
7.1.70.0000.00717.14
7.1.60.0140.01119.82
7.1.50.0070.01516.72
7.1.00.0000.07322.33
7.0.200.0070.00316.82
7.0.140.0100.06722.18
7.0.60.0000.09719.95
7.0.50.0030.04017.66
7.0.40.0170.07720.12
7.0.30.0270.05020.30
7.0.20.0100.06020.00
7.0.10.0230.04720.01
7.0.00.0030.09320.19
5.6.280.0030.07321.03
5.6.210.0030.04020.64
5.6.200.0070.08018.21
5.6.190.0100.06020.56
5.6.180.4030.04720.67
5.6.170.0330.06720.50
5.6.160.0130.07720.46
5.6.150.0070.08018.11
5.6.140.0070.08718.13
5.6.130.0070.08718.12
5.6.120.0230.05721.09
5.6.110.0070.08321.02
5.6.100.0130.06720.96
5.6.90.0000.07720.98
5.6.80.0270.06020.43
5.6.70.0200.07020.51
5.5.350.0030.05020.48
5.5.340.0070.08717.89
5.5.330.0100.08320.57
5.5.320.0170.04020.27
5.5.310.0330.07020.20
5.5.300.0070.07318.01
5.5.290.0000.04317.95
5.5.280.0130.07720.64
5.5.270.0100.07720.93
5.5.260.0000.07320.67
5.5.250.0100.08020.70
5.5.240.0100.03020.25
5.4.450.0730.06319.50
5.4.440.0700.06019.63
5.4.430.0330.05719.63
5.4.420.0830.05719.53
5.4.410.0770.05318.97
5.4.400.1130.08018.81
5.4.390.1630.05718.77
5.4.380.0330.06318.74
5.4.370.0230.04718.68
5.4.360.0130.05018.45
5.4.350.0130.05718.56
5.4.340.0200.05018.68
5.4.320.0060.04012.45
5.4.310.0090.05312.45
5.4.300.0080.04512.45
5.4.290.0040.03912.45
5.4.280.0090.04212.34
5.4.270.0130.05018.75
5.4.260.0230.03718.80
5.4.250.0130.04318.89
5.4.240.0100.05018.91
5.4.230.0070.06018.87
5.4.220.0030.08018.70
5.4.210.0200.05318.83
5.4.200.0030.05318.91
5.4.190.0170.05318.91
5.4.180.0200.06718.70
5.4.170.0100.07718.72
5.4.160.0030.06719.00
5.4.150.0070.05719.00
5.4.140.0130.05316.21
5.4.130.0070.05316.21
5.4.120.0100.05316.20
5.4.110.0230.05016.41
5.4.100.0200.06016.39
5.4.90.0100.04716.35
5.4.80.0200.05016.39
5.4.70.0130.05016.34
5.4.60.0170.06016.38
5.4.50.0100.06316.32
5.4.40.0170.05716.41
5.4.30.0170.06316.45
5.4.20.0070.05016.32
5.4.10.0030.06016.39
5.4.00.0230.04015.89
5.3.290.0040.04312.80
5.3.280.0130.06714.61
5.3.270.0070.06314.44
5.3.260.0030.06314.62
5.3.250.0070.05014.75
5.3.240.0100.04714.59
5.3.230.0130.07014.43
5.3.220.0070.05714.40
5.3.210.0100.05314.57
5.3.200.0170.04314.55
5.3.190.0030.05314.48
5.3.180.0070.06714.45
5.3.170.0070.05314.25
5.3.160.0070.06314.57
5.3.150.0170.05314.58
5.3.140.0070.05714.56
5.3.130.0130.06314.64
5.3.120.0100.05014.54
5.3.110.0070.05714.55
5.3.100.0100.05014.04
5.3.90.0070.05013.93
5.3.80.0100.05013.95
5.3.70.0200.03713.86
5.3.60.0100.04714.00
5.3.50.0100.04714.00
5.3.40.0070.05713.96
5.3.30.0230.03713.91
5.3.20.0100.05013.55
5.3.10.0130.04313.69
5.3.00.0000.05313.57
5.2.170.0070.05710.98
5.2.160.0070.04011.06
5.2.150.0100.05011.16
5.2.140.0170.03311.29
5.2.130.0070.04011.01
5.2.120.0030.04011.01
5.2.110.0070.04011.11
5.2.100.0100.04011.10
5.2.90.0070.04011.11
5.2.80.0130.03311.02
5.2.70.0070.04010.98
5.2.60.0070.04011.04
5.2.50.0070.03711.04
5.2.40.0170.02710.91
5.2.30.0030.05310.99
5.2.20.0070.04710.97
5.2.10.0070.04010.95
5.2.00.0070.04010.60
5.1.60.0000.04010.27
5.1.50.0100.03010.27
5.1.40.0170.02310.27
5.1.30.0170.02710.42
5.1.20.0200.04310.27
5.1.10.0130.02710.27
5.1.00.0030.04310.27
5.0.50.0000.04010.27
5.0.40.0030.02710.27
5.0.30.0100.03710.27
5.0.20.0100.02010.27
5.0.10.0100.02310.27
5.0.00.0070.03710.27
4.4.90.0030.02010.27
4.4.80.0030.02310.27
4.4.70.0030.03010.27
4.4.60.0070.02710.27
4.4.50.0000.03010.27
4.4.40.0000.03710.27
4.4.30.0000.02310.27
4.4.20.0030.02310.27
4.4.10.0000.02710.27
4.4.00.0000.04310.27
4.3.110.0100.02310.27
4.3.100.0070.01710.27
4.3.90.0000.02310.27
4.3.80.0030.03310.27
4.3.70.0000.02310.27
4.3.60.0030.02010.27
4.3.50.0070.01710.27
4.3.40.0100.02710.27
4.3.30.0000.02310.27
4.3.20.0000.02710.27
4.3.10.0030.02710.27
4.3.00.0100.0206.86

preferences:
50.68 ms | 400 KiB | 5 Q