3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '12345,'; $result = substr($string, 0, -1); print $result;

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)
8.3.40.0040.01118.54
8.3.30.0070.00720.20
8.3.20.0040.00420.29
8.3.10.0040.00421.01
8.3.00.0040.00422.52
8.2.170.0110.01122.96
8.2.160.0130.00022.27
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0080.00820.66
8.2.110.0070.01121.13
8.2.100.0040.00717.91
8.2.90.0080.00018.97
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0030.00617.93
8.2.50.0040.00418.10
8.2.40.0000.00720.52
8.2.30.0020.00518.04
8.2.20.0030.00517.68
8.2.10.0040.00417.74
8.2.00.0070.00317.74
8.1.270.0090.00023.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0100.00022.68
8.1.230.0000.01117.42
8.1.220.0070.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0040.00417.41
8.1.180.0000.00818.10
8.1.170.0000.00818.50
8.1.160.0000.00722.09
8.1.150.0000.00918.64
8.1.140.0040.00417.37
8.1.130.0030.00317.78
8.1.120.0030.00517.41
8.1.110.0040.00417.28
8.1.100.0040.00417.39
8.1.90.0000.00717.40
8.1.80.0040.00417.39
8.1.70.0080.00017.28
8.1.60.0070.00317.53
8.1.50.0050.00317.34
8.1.40.0030.00617.42
8.1.30.0000.00817.59
8.1.20.0060.00317.52
8.1.10.0040.00417.52
8.1.00.0000.00717.40
8.0.300.0040.00418.77
8.0.290.0050.00516.75
8.0.280.0000.00718.44
8.0.270.0030.00317.30
8.0.260.0060.00016.88
8.0.250.0030.00316.93
8.0.240.0050.00316.84
8.0.230.0030.00616.89
8.0.220.0070.00016.84
8.0.210.0000.00916.85
8.0.200.0030.00316.79
8.0.190.0080.00016.77
8.0.180.0050.00216.71
8.0.170.0040.00416.82
8.0.160.0030.00316.84
8.0.150.0000.00816.82
8.0.140.0040.00416.67
8.0.130.0060.00013.29
8.0.120.0040.00416.80
8.0.110.0030.00616.78
8.0.100.0040.00416.76
8.0.90.0080.00016.86
8.0.80.0120.00616.79
8.0.70.0030.00316.77
8.0.60.0040.00416.74
8.0.50.0000.00716.77
8.0.30.0100.00817.10
8.0.20.0100.01017.40
8.0.10.0040.00416.80
8.0.00.0140.00616.61
7.4.330.0000.00516.79
7.4.320.0060.00016.41
7.4.300.0000.00616.45
7.4.290.0020.00516.54
7.4.280.0030.00316.52
7.4.270.0070.00016.39
7.4.260.0060.00013.10
7.4.250.0000.00716.52
7.4.240.0050.00216.40
7.4.230.0030.00316.18
7.4.220.0120.00616.53
7.4.210.0060.00816.48
7.4.200.0000.00716.43
7.4.190.0030.00316.29
7.4.160.0100.00616.43
7.4.150.0040.01417.40
7.4.140.0140.00617.86
7.4.130.0080.00916.44
7.4.120.0130.00616.53
7.4.110.0030.01616.50
7.4.100.0110.00816.35
7.4.90.0060.01016.43
7.4.80.0090.00919.39
7.4.70.0100.01016.42
7.4.60.0130.00716.43
7.4.50.0040.00416.04
7.4.40.0060.00622.77
7.4.30.0070.01016.54
7.4.00.0110.00714.86
7.3.330.0050.00013.11
7.3.320.0050.00013.11
7.3.310.0060.00016.04
7.3.300.0080.00016.11
7.3.290.0100.00316.24
7.3.280.0090.00716.12
7.3.270.0160.00017.40
7.3.260.0110.00618.24
7.3.250.0090.00816.37
7.3.240.0120.00616.53
7.3.230.0070.01016.39
7.3.210.0130.00916.32
7.3.200.0090.01319.39
7.3.190.0160.00616.54
7.3.180.0120.00916.38
7.3.170.0000.01516.27
7.3.160.0070.01016.41
7.3.120.0030.01414.38
7.3.00.0160.00316.61
7.2.330.0100.01016.63
7.2.320.0080.01116.68
7.2.310.0070.01116.66
7.2.300.0100.00716.68
7.2.290.0120.00616.57
7.2.130.0000.01416.65
7.2.120.0050.01016.59
7.2.110.0050.01016.59
7.2.100.0120.00816.80
7.2.90.0130.01316.59
7.2.80.0120.00816.66
7.2.70.0090.00916.78
7.2.60.0120.00616.70
7.2.50.0140.01116.53
7.2.40.0140.01016.75
7.2.30.0160.00916.67
7.2.20.0110.00716.70
7.2.10.0110.00816.52
7.2.00.0080.00917.98
7.1.250.0070.00715.55
7.1.240.0100.01015.72
7.1.230.0030.01315.51
7.1.220.0140.00415.74
7.1.210.0110.00715.48
7.1.200.0080.01515.92
7.1.190.0120.00515.90
7.1.180.0040.01315.83
7.1.170.0130.00615.66
7.1.160.0030.01615.66
7.1.150.0080.01015.71
7.1.140.0140.00815.88
7.1.130.0140.00015.71
7.1.120.0160.00315.71
7.1.110.0150.00915.51
7.1.100.0080.01016.97
7.1.90.0050.01415.80
7.1.80.0140.00615.66
7.1.70.0080.00816.46
7.1.60.0070.01017.49
7.1.50.0050.01416.29
7.1.40.0090.00315.68
7.1.30.0030.01215.75
7.1.20.0110.00415.74
7.1.10.0100.00715.87
7.1.00.0050.02018.94
7.0.330.0110.00415.41
7.0.320.0120.00315.26
7.0.310.0000.01715.31
7.0.300.0110.00315.38
7.0.290.0150.00315.36
7.0.280.0100.01215.35
7.0.270.0160.00315.18
7.0.260.0000.01415.39
7.0.250.0120.00615.31
7.0.240.0140.00315.47
7.0.230.0120.00415.00
7.0.220.0040.01115.52
7.0.210.0060.00915.41
7.0.200.0130.00614.94
7.0.190.0080.00415.29
7.0.180.0080.00415.18
7.0.170.0070.00715.46
7.0.160.0030.01315.32
7.0.150.0000.01115.01
7.0.140.0060.04118.56
7.0.130.0100.00015.23
7.0.120.0070.00715.32
7.0.110.0090.00415.46
7.0.100.0110.03717.57
7.0.90.0080.03317.67
7.0.80.0000.02717.54
7.0.70.0080.02017.60
7.0.60.0040.02217.62
7.0.50.0050.02317.77
7.0.40.0080.02216.75
7.0.30.0100.02616.79
7.0.20.0100.03216.68
7.0.10.0030.02716.75
7.0.00.0060.02216.69
5.6.380.0140.00014.04
5.6.370.0120.00014.18
5.6.360.0120.00413.90
5.6.350.0000.01514.31
5.6.340.0060.01114.24
5.6.330.0000.01714.30
5.6.320.0000.01414.33
5.6.310.0090.00913.82
5.6.300.0000.01314.27
5.6.290.0040.00714.35
5.6.280.0070.03717.53
5.6.270.0060.00614.19
5.6.260.0130.00314.13
5.6.250.0060.04317.43
5.6.240.0090.02117.29
5.6.230.0070.03117.19
5.6.220.0080.02717.43
5.6.210.0080.02017.32
5.6.200.0030.02617.48
5.6.190.0080.02317.44
5.6.180.0050.02517.41
5.6.170.0000.03717.53
5.6.160.0050.02317.62
5.6.150.0030.02417.40
5.6.140.0090.01817.74
5.6.130.0070.02517.57
5.6.120.0020.03017.60
5.6.110.0080.02517.48
5.6.100.0100.03817.46
5.6.90.0100.04217.54
5.6.80.0060.03817.39
5.6.70.0120.03417.26
5.6.60.0070.04017.33
5.6.50.0100.03817.21
5.6.40.0000.03417.27
5.6.30.0040.04717.26
5.6.20.0080.03817.14
5.6.10.0050.04517.22
5.6.00.0080.03517.17
5.5.380.0080.02015.74
5.5.370.0070.02215.76
5.5.360.0020.03115.70
5.5.350.0090.02715.74
5.5.340.0080.01815.99
5.5.330.0060.02415.97
5.5.320.0020.02415.98
5.5.310.0100.02215.98
5.5.300.0040.02315.88
5.5.290.0070.02715.92
5.5.280.0060.02015.91
5.5.270.0020.02715.94
5.5.260.0050.04015.94
5.5.250.0050.04415.80
5.5.240.0070.04215.67
5.5.230.0020.04115.62
5.5.220.0030.02715.63
5.5.210.0070.03815.65
5.5.200.0030.04115.53
5.5.190.0000.03115.52
5.5.180.0080.03615.65
5.5.170.0020.00511.06
5.5.160.0080.03815.65
5.5.150.0030.04215.64
5.5.140.0080.04015.65
5.5.130.0080.03715.64
5.5.120.0030.02815.58
5.5.110.0070.03715.64
5.5.100.0050.03715.53
5.5.90.0080.03515.60
5.5.80.0050.03815.56
5.5.70.0050.03915.55
5.5.60.0050.04515.60
5.5.50.0040.03215.50
5.5.40.0080.03815.55
5.5.30.0070.04215.59
5.5.20.0030.04715.52
5.5.10.0080.04015.54
5.5.00.0080.04115.54
5.4.450.0080.02315.19
5.4.440.0090.02615.10
5.4.430.0000.02915.17
5.4.420.0120.03515.10
5.4.410.0070.02515.14
5.4.400.0080.03114.98
5.4.390.0020.04215.15
5.4.380.0120.03615.07
5.4.370.0120.03515.02
5.4.360.0020.04315.02
5.4.350.0110.03215.07
5.4.340.0080.02515.01
5.4.330.0040.00411.06
5.4.320.0080.03615.06
5.4.310.0070.03715.07
5.4.300.0050.04215.14
5.4.290.0030.04315.10
5.4.280.0070.03314.93
5.4.270.0040.04015.09
5.4.260.0050.03915.05
5.4.250.0080.03315.10
5.4.240.0020.03214.92
5.4.230.0020.02615.02
5.4.220.0070.02515.10
5.4.210.0080.04515.10
5.4.200.0050.04014.93
5.4.190.0020.04215.09
5.4.180.0080.03715.04
5.4.170.0070.03515.03
5.4.160.0060.03815.05
5.4.150.0050.04415.02
5.4.140.0070.03713.64
5.4.130.0030.03613.56
5.4.120.0070.04213.68
5.4.110.0070.04013.70
5.4.100.0100.03513.64
5.4.90.0050.03213.69
5.4.80.0060.04613.70
5.4.70.0040.04013.75
5.4.60.0090.02813.65
5.4.50.0040.03813.71
5.4.40.0070.04013.70
5.4.30.0080.03513.69
5.4.20.0050.03113.72
5.4.10.0020.03713.72
5.4.00.0020.04113.42
5.3.290.0080.03812.79
5.3.280.0100.03212.81
5.3.270.0120.02212.83
5.3.260.0070.04212.79
5.3.250.0080.04112.79
5.3.240.0000.02912.80
5.3.230.0080.04012.77
5.3.220.0030.04212.73
5.3.210.0030.04012.77
5.3.200.0020.03912.72
5.3.190.0000.04512.81
5.3.180.0090.02012.81
5.3.170.0050.03512.81
5.3.160.0030.03312.80
5.3.150.0030.04412.74
5.3.140.0010.02812.74
5.3.130.0070.04112.80
5.3.120.0120.03512.79
5.3.110.0040.04012.71
5.3.100.0050.04012.48
5.3.90.0010.03812.48
5.3.80.0050.03312.49
5.3.70.0080.03512.53
5.3.60.0070.03712.41
5.3.50.0050.03912.50
5.3.40.0050.02212.49
5.3.30.0060.03012.42
5.3.20.0090.03712.25
5.3.10.0080.02612.29
5.3.00.0070.03212.33
5.2.170.0000.02411.00
5.2.160.0020.03611.10
5.2.150.0030.03311.10
5.2.140.0070.02211.03
5.2.130.0060.03010.99
5.2.120.0020.03011.08
5.2.110.0050.03111.09
5.2.100.0050.03111.10
5.2.90.0050.03411.01
5.2.80.0030.03311.09
5.2.70.0070.02311.11
5.2.60.0030.03611.05
5.2.50.0040.03511.04
5.2.40.0030.03611.00
5.2.30.0050.02911.00
5.2.20.0060.03011.01
5.2.10.0030.03010.92
5.2.00.0050.02710.84
5.1.60.0050.02510.52
5.1.50.0080.02510.57
5.1.40.0050.02710.54
5.1.30.0000.03410.63
5.1.20.0030.02410.68
5.1.10.0030.02910.48
5.1.00.0030.02810.59
5.0.50.0040.0199.96
5.0.40.0050.0229.96
5.0.30.0050.0289.96
5.0.20.0000.0209.96
5.0.10.0020.0209.96
5.0.00.0030.0339.96
4.4.90.0000.0219.96
4.4.80.0000.0199.96
4.4.70.0010.0199.96
4.4.60.0030.0179.96
4.4.50.0030.0209.96
4.4.40.0030.0309.96
4.4.30.0000.0209.96
4.4.20.0050.0179.96
4.4.10.0000.0209.96
4.4.00.0020.0319.96
4.3.110.0010.0169.96
4.3.100.0040.0159.96
4.3.90.0000.0199.96
4.3.80.0020.0189.96
4.3.70.0020.0189.96
4.3.60.0040.0179.96
4.3.50.0000.0219.96
4.3.40.0030.0289.96
4.3.30.0000.0229.96
4.3.20.0050.0109.96
4.3.10.0020.0109.96
4.3.00.0050.0179.96

preferences:
49.58 ms | 400 KiB | 5 Q