3v4l.org

run code in 300+ PHP versions simultaneously
<?php function startsWith($haystack, $needle) { return strncmp($haystack, $needle, strlen($needle)) === 0; } function endsWith($haystack, $needle) { return $needle === '' || substr_compare($haystack, $needle, -strlen($needle)) === 0; } var_dump(startsWith('', '')); var_dump(startsWith('', 'foo')); var_dump(startsWith('foo', '')); var_dump(endsWith('', '')); var_dump(endsWith('', 'foo')); var_dump(endsWith('foo', ''));

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)
8.3.60.0100.01018.43
8.3.50.0100.00921.93
8.3.40.0000.01418.70
8.3.30.0140.00019.13
8.3.20.0000.00720.31
8.3.10.0050.00320.36
8.3.00.0040.00419.25
8.2.180.0150.00016.88
8.2.170.0120.00922.96
8.2.160.0160.00020.38
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00022.18
8.2.110.0030.00620.52
8.2.100.0040.00818.06
8.2.90.0000.00819.09
8.2.80.0090.00017.97
8.2.70.0000.00817.50
8.2.60.0000.00817.91
8.2.50.0070.00418.07
8.2.40.0040.00418.03
8.2.30.0070.00018.10
8.2.20.0040.00417.64
8.2.10.0000.00717.93
8.2.00.0060.00317.69
8.1.280.0100.00725.92
8.1.270.0040.00422.19
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.20
8.1.230.0070.00419.10
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0040.00418.57
8.1.160.0040.00422.08
8.1.150.0070.00018.89
8.1.140.0000.00717.26
8.1.130.0030.00317.83
8.1.120.0000.00717.32
8.1.110.0100.00017.36
8.1.100.0000.00717.46
8.1.90.0030.00317.42
8.1.80.0000.00717.45
8.1.70.0070.00017.40
8.1.60.0080.00417.50
8.1.50.0040.00417.46
8.1.40.0040.00417.32
8.1.30.0030.00617.46
8.1.20.0000.00817.48
8.1.10.0000.00817.50
8.1.00.0000.00717.39
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0030.00317.05
8.0.260.0060.00017.26
8.0.250.0000.00716.89
8.0.240.0030.00316.88
8.0.230.0000.00816.94
8.0.220.0040.00416.76
8.0.210.0030.00316.78
8.0.200.0030.00316.82
8.0.190.0050.00316.86
8.0.180.0030.00316.89
8.0.170.0080.00016.77
8.0.160.0040.00416.75
8.0.150.0030.00316.74
8.0.140.0000.00716.71
8.0.130.0000.00613.28
8.0.120.0050.00316.72
8.0.110.0040.00416.83
8.0.100.0000.00816.88
8.0.90.0030.00316.75
8.0.80.0060.00916.83
8.0.70.0000.00816.84
8.0.60.0040.00416.91
8.0.50.0040.00416.75
8.0.30.0080.01016.91
8.0.20.0140.00817.40
8.0.10.0050.00317.02
8.0.00.0050.01416.83
7.4.330.0060.00015.00
7.4.320.0000.00616.55
7.4.300.0030.00316.56
7.4.290.0030.00316.39
7.4.280.0030.00516.34
7.4.270.0080.00016.55
7.4.260.0090.00016.54
7.4.250.0000.00716.57
7.4.240.0050.00316.43
7.4.230.0030.00316.63
7.4.220.0190.00616.60
7.4.210.0120.00316.58
7.4.200.0040.00416.59
7.4.160.0150.00616.44
7.4.150.0110.00717.40
7.4.140.0190.00517.86
7.4.130.0070.01216.52
7.4.120.0080.01516.45
7.4.110.0070.01016.33
7.4.100.0150.00616.48
7.4.90.0030.01516.33
7.4.80.0120.00919.39
7.4.70.0110.01116.58
7.4.60.0080.00816.51
7.4.50.0040.00416.48
7.4.40.0030.01316.48
7.4.30.0170.00616.20
7.4.00.0030.01314.63
7.3.330.0030.00313.25
7.3.320.0000.00513.26
7.3.310.0020.00516.25
7.3.300.0030.00316.31
7.3.290.0110.00316.29
7.3.280.0090.00716.30
7.3.270.0120.01217.40
7.3.260.0140.00716.57
7.3.250.0100.00816.25
7.3.240.0060.01216.61
7.3.230.0120.00916.39
7.3.210.0170.00316.22
7.3.200.0130.00719.39
7.3.190.0090.01216.53
7.3.180.0100.00616.56
7.3.170.0090.00616.41
7.3.160.0090.01216.52
7.2.330.0080.00816.82
7.2.320.0030.01316.79
7.2.310.0100.00716.76
7.2.300.0120.01216.37
7.2.290.0120.00916.22
7.2.60.0250.00016.86
7.1.200.0060.00615.63
7.1.70.0070.01017.25
7.1.60.0030.00919.32
7.1.50.0090.00917.08
7.1.00.0070.07322.57
7.0.200.0000.00916.51
7.0.140.0030.07322.04
7.0.60.0100.07720.04
7.0.50.0100.07717.86
7.0.40.0100.08720.04
7.0.30.0430.05720.17
7.0.20.0270.06020.15
7.0.10.0070.08320.06
7.0.00.0070.08320.19
5.6.280.0000.07721.12
5.6.210.0100.07720.57
5.6.200.0030.07018.30
5.6.190.0130.05020.77
5.6.180.4000.05020.39
5.6.170.0230.04020.51
5.6.160.0030.04320.43
5.6.150.0100.04318.12
5.6.140.0030.04018.11
5.6.130.0000.06018.24
5.6.120.0030.04721.02
5.6.110.0070.08020.96
5.6.100.0130.05021.12
5.6.90.0330.07021.13
5.6.80.0070.07020.41
5.6.70.0300.07320.37
5.5.350.0300.04020.43
5.5.340.0070.03717.95
5.5.330.0100.03720.25
5.5.320.0400.07020.27
5.5.310.0330.07320.28
5.5.300.0100.07717.94
5.5.290.0070.08017.96
5.5.280.0100.07720.89
5.5.270.0070.08320.76
5.5.260.0200.07020.73
5.5.250.0070.05320.79
5.5.240.0400.05720.37
5.4.450.0900.06019.20
5.4.440.1070.05019.45
5.4.430.1100.04719.59
5.4.420.0670.00019.68
5.4.410.0630.00019.21
5.4.400.0670.00019.31
5.4.390.0670.00019.05
5.4.380.0900.00019.09
5.4.370.0700.00019.02
5.4.360.0630.00019.25
5.4.350.0630.00019.23
5.4.340.0630.00019.12
5.4.320.0120.03612.51
5.4.310.0060.03812.50
5.4.300.0040.03812.50
5.4.290.0060.03712.50
5.4.280.0100.03012.39
5.4.270.0030.03912.39
5.4.260.0060.03612.40
5.4.250.0080.03912.40
5.4.240.0060.03512.40
5.4.230.0040.03812.39
5.4.220.0080.03312.39
5.4.210.0070.03312.39
5.4.200.0060.03812.39
5.4.190.0040.03812.39
5.4.180.0070.04212.39
5.4.170.0050.03712.39
5.4.160.0070.03512.39
5.4.150.0070.04012.39
5.4.140.0060.03512.07
5.4.130.0060.03512.06
5.4.120.0040.04112.02
5.4.110.0030.03812.01
5.4.100.0060.04212.02
5.4.90.0060.03612.01
5.4.80.0050.04412.01
5.4.70.0030.03612.01
5.4.60.0070.03312.01
5.4.50.0060.03812.01
5.4.40.0060.03412.00
5.4.30.0100.03812.00
5.4.20.0080.03712.00
5.4.10.0050.03612.00
5.4.00.0040.03711.48
5.3.290.0060.03912.80
5.3.280.0080.04112.71
5.3.270.0120.03912.72
5.3.260.0060.04012.72
5.3.250.0070.03712.72
5.3.240.0090.03712.71
5.3.230.0080.04212.71
5.3.220.0100.03812.68
5.3.210.0030.04112.68
5.3.200.0040.03812.68
5.3.190.0070.03612.68
5.3.180.0060.03612.68
5.3.170.0060.04112.67
5.3.160.0070.03512.68
5.3.150.0050.03712.67
5.3.140.0070.04312.66
5.3.130.0070.04112.65
5.3.120.0050.04312.65
5.3.110.0060.05312.66
5.3.100.0070.04512.12
5.3.90.0040.04412.10
5.3.80.0070.04312.09
5.3.70.0100.03912.09
5.3.60.0040.03812.08
5.3.50.0040.03812.03
5.3.40.0080.03412.03
5.3.30.0050.03611.98
5.3.20.0060.03511.77
5.3.10.0050.03511.73
5.3.00.0050.03811.72
5.2.170.0040.0299.22
5.2.160.0050.0309.22
5.2.150.0050.0339.23
5.2.140.0040.0369.22
5.2.130.0050.0329.18
5.2.120.0070.0269.18
5.2.110.0050.0309.18
5.2.100.0040.0299.18
5.2.90.0090.0319.18
5.2.80.0070.0299.18
5.2.70.0040.0309.18
5.2.60.0050.0299.14
5.2.50.0070.0289.11
5.2.40.0050.0339.08
5.2.30.0070.0279.05
5.2.20.0060.0269.04
5.2.10.0050.0268.95
5.2.00.0090.0278.81
5.1.60.0040.0298.09
5.1.50.0000.0288.09
5.1.40.0020.0268.07
5.1.30.0050.0278.42
5.1.20.0030.0288.45
5.1.10.0040.0258.17
5.1.00.0040.0258.17
5.0.50.0040.0206.65
5.0.40.0040.0186.50
5.0.30.0010.0336.32
5.0.20.0000.0226.28
5.0.10.0030.0196.26
5.0.00.0060.0336.25
4.4.90.0030.0154.78
4.4.80.0040.0184.76
4.4.70.0050.0134.76
4.4.60.0040.0144.75
4.4.50.0020.0164.77
4.4.40.0040.0244.71
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0020.0164.85
4.4.00.0040.0234.76
4.3.110.0020.0154.67
4.3.100.0040.0134.66
4.3.90.0020.0154.64
4.3.80.0020.0254.59
4.3.70.0030.0144.63
4.3.60.0010.0164.63
4.3.50.0020.0164.63
4.3.40.0020.0254.54
4.3.30.0020.0163.31
4.3.20.0010.0173.29
4.3.10.0010.0163.25
4.3.00.0170.0237.19

preferences:
38.62 ms | 401 KiB | 5 Q