3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "asdiqwhdf@qwodj"; echo substr($a,0, strpos($a));

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)
8.3.60.0070.01018.27
8.3.50.0060.01221.85
8.3.40.0100.01018.84
8.3.30.0070.00719.11
8.3.20.0110.00320.24
8.3.10.0030.00523.61
8.3.00.0030.00620.50
8.2.180.0110.01116.75
8.2.170.0070.00722.96
8.2.160.0110.01120.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.01026.16
8.2.120.0050.00319.36
8.2.110.0040.00422.13
8.2.100.0070.00320.54
8.2.90.0000.00819.22
8.2.80.0080.00017.97
8.2.70.0030.00617.50
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0040.00419.88
8.2.30.0080.00018.17
8.2.20.0040.00417.70
8.2.10.0040.00418.04
8.2.00.0020.00517.61
8.1.280.0100.01325.92
8.1.270.0050.00323.92
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00422.10
8.1.230.0030.00719.21
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0080.00017.22
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0080.00018.25
8.1.160.0080.00021.91
8.1.150.0000.00818.68
8.1.140.0040.00417.42
8.1.130.0040.00419.71
8.1.120.0080.00017.30
8.1.110.0000.00717.40
8.1.100.0050.00317.36
8.1.90.0000.00717.32
8.1.80.0000.00717.40
8.1.70.0060.00017.35
8.1.60.0030.00617.55
8.1.50.0080.00017.56
8.1.40.0030.00717.43
8.1.30.0030.00617.57
8.1.20.0040.00417.65
8.1.10.0050.00317.59
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0050.00316.63
8.0.280.0040.00418.25
8.0.270.0030.00317.18
8.0.260.0060.00017.07
8.0.250.0030.00316.92
8.0.240.0040.00416.92
8.0.230.0000.00817.01
8.0.220.0070.00016.82
8.0.210.0080.00016.87
8.0.200.0030.00316.88
8.0.190.0050.00316.99
8.0.180.0000.00716.92
8.0.170.0000.00816.92
8.0.160.0040.00416.97
8.0.150.0000.00716.78
8.0.140.0000.01216.91
8.0.130.0050.00013.19
8.0.120.0000.00816.87
8.0.110.0000.00816.89
8.0.100.0000.00716.88
8.0.90.0040.00416.71
8.0.80.0070.01016.81
8.0.70.0040.00416.67
8.0.60.0040.00416.83
8.0.50.0000.00816.90
8.0.30.0100.00817.04
8.0.20.0120.00817.40
8.0.10.0000.00716.84
8.0.00.0110.01016.80
7.4.330.0020.00215.09
7.4.320.0040.00416.53
7.4.300.0040.00416.54
7.4.290.0030.00316.37
7.4.280.0030.00316.53
7.4.270.0030.00316.49
7.4.260.0000.00716.41
7.4.250.0000.00716.25
7.4.240.0040.00416.52
7.4.230.0030.00316.64
7.4.220.0090.00916.54
7.4.210.0100.00316.30
7.4.200.0080.00016.23
7.4.160.0080.00816.26
7.4.150.0070.01017.40
7.4.140.0120.00917.86
7.4.130.0080.00816.43
7.4.120.0090.01016.64
7.4.110.0120.01116.66
7.4.100.0130.00316.50
7.4.90.0060.01316.47
7.4.80.0120.00919.39
7.4.70.0100.00716.38
7.4.60.0030.01316.50
7.4.50.0040.00016.45
7.4.40.0080.00816.41
7.4.30.0100.01316.45
7.4.00.0100.00714.95
7.3.330.0050.00013.04
7.3.320.0000.00513.08
7.3.310.0000.00716.26
7.3.300.0000.00716.16
7.3.290.0070.00716.17
7.3.280.0090.00616.21
7.3.270.0170.00017.40
7.3.260.0090.01616.29
7.3.250.0090.01316.43
7.3.240.0160.00016.26
7.3.230.0070.01016.39
7.3.210.0070.01416.21
7.3.200.0080.00819.39
7.3.190.0130.00316.13
7.3.180.0090.00616.42
7.3.170.0090.00616.48
7.3.160.0080.00816.42
7.3.120.0090.00614.93
7.3.00.0070.00716.38
7.2.330.0110.00716.47
7.2.320.0070.01316.52
7.2.310.0080.00816.49
7.2.300.0070.01016.38
7.2.290.0120.00616.44
7.2.130.0070.00716.91
7.2.120.0070.00716.47
7.2.110.0040.00716.55
7.2.100.0040.01116.75
7.2.90.0130.00316.86
7.2.80.0110.00716.90
7.2.70.0080.00416.79
7.2.60.0000.01316.58
7.2.50.0070.00416.63
7.2.40.0070.00716.43
7.2.30.0030.01016.94
7.2.20.0060.00316.73
7.2.10.0090.00316.48
7.2.00.0060.00917.89
7.1.250.0080.00815.63
7.1.240.0040.01115.73
7.1.230.0150.00015.56
7.1.220.0040.00815.41
7.1.210.0090.00615.82
7.1.200.0030.01015.70
7.1.190.0100.00315.79
7.1.180.0120.00015.57
7.1.170.0080.00415.73
7.1.160.0070.00715.63
7.1.150.0090.00315.59
7.1.140.0120.00315.71
7.1.130.0090.00615.79
7.1.120.0030.00615.57
7.1.110.0080.00015.34
7.1.100.0040.00916.91
7.1.90.0100.00315.43
7.1.80.0070.01015.47
7.1.70.0080.00316.11
7.1.60.0070.01117.76
7.1.50.0090.00716.02
7.1.40.0030.01315.79
7.1.30.0100.00315.57
7.1.20.0060.00715.43
7.1.10.0000.01515.62
7.1.00.0030.04018.95
7.0.330.0060.00615.03
7.0.320.0070.00415.48
7.0.310.0060.00615.21
7.0.300.0040.00815.16
7.0.290.0040.00715.27
7.0.280.0060.00315.33
7.0.270.0030.01015.19
7.0.260.0100.00615.15
7.0.250.0030.00615.34
7.0.240.0050.00315.28
7.0.230.0090.00615.23
7.0.220.0070.00315.18
7.0.210.0040.00415.43
7.0.200.0140.00414.99
7.0.190.0030.01015.48
7.0.180.0000.00815.30
7.0.170.0000.01215.32
7.0.160.0070.00715.32
7.0.150.0050.00515.47
7.0.140.0060.03818.75
7.0.130.0000.01315.28
7.0.120.0030.00715.30
7.0.110.0030.01015.36
7.0.100.0130.00015.38
7.0.90.0030.01015.49
7.0.80.0110.00415.47
7.0.70.0070.04817.61
7.0.60.0100.03817.63
7.0.50.0070.02417.96
7.0.40.0050.02516.76
7.0.30.0020.05216.65
7.0.20.0050.04716.65
7.0.10.0090.04416.74
7.0.00.0110.02816.69
5.6.380.0100.00314.22
5.6.370.0000.00913.89
5.6.360.0070.00414.28
5.6.350.0070.01014.34
5.6.340.0040.01114.00
5.6.330.0070.00714.67
5.6.320.0070.00713.91
5.6.310.0040.01114.20
5.6.300.0100.00314.42
5.6.290.0140.00014.25
5.6.280.0030.04117.79
5.6.270.0070.00314.03
5.6.260.0030.00914.09
5.6.250.0060.00914.38
5.6.240.0040.00714.22
5.6.230.0030.00514.26
5.6.220.0080.04717.37
5.6.210.0140.03317.39
5.6.200.0050.02817.61
5.6.190.0050.05017.71
5.6.180.0100.04417.65
5.6.170.0040.04517.51
5.6.160.0050.04617.66
5.6.150.0030.03817.57
5.6.140.0070.04517.67
5.6.130.0120.03917.64
5.6.120.0030.03517.58
5.6.110.0020.05217.46
5.6.100.0050.04817.45
5.6.90.0050.02717.37
5.6.80.0070.04517.25
5.6.70.0110.04017.32
5.6.60.0050.04717.14
5.6.50.0030.04617.19
5.6.40.0050.03817.23
5.6.30.0110.03517.25
5.6.20.0070.02217.29
5.6.10.0090.02817.37
5.6.00.0030.02817.20
5.5.380.0100.00010.92
5.5.370.0090.00310.93
5.5.360.0070.03715.71
5.5.350.0070.04515.68
5.5.340.0030.02415.96
5.5.330.0120.04015.89
5.5.320.0080.02815.99
5.5.310.0030.04815.87
5.5.300.0060.04815.88
5.5.290.0100.04215.87
5.5.280.0060.04415.91
5.5.270.0050.04815.93
5.5.260.0120.04015.75
5.5.250.0070.03515.81
5.5.240.0090.04215.60
5.5.230.0070.04415.56
5.5.220.0050.03515.58
5.5.210.0050.03615.55
5.5.200.0050.03715.58
5.5.190.0090.03015.56
5.5.180.0060.02015.53
5.5.170.0030.00510.90
5.5.160.0080.02215.50
5.5.150.0060.02015.51
5.5.140.0070.02015.59
5.5.130.0060.02115.56
5.5.120.0030.02415.56
5.5.110.0060.02015.58
5.5.100.0070.02215.51
5.5.90.0030.02015.49
5.5.80.0030.01815.45
5.5.70.0070.02315.49
5.5.60.0020.02715.45
5.5.50.0020.02315.46
5.5.40.0070.01815.54
5.5.30.0120.02015.48
5.5.20.0080.02415.48
5.5.10.0020.02415.48
5.5.00.0030.02315.52
5.4.450.0080.04115.16
5.4.440.0040.04715.01
5.4.430.0050.04715.08
5.4.420.0030.04415.13
5.4.410.0070.04215.10
5.4.400.0030.03315.06
5.4.390.0050.04315.02
5.4.380.0050.03814.92
5.4.370.0080.03815.06
5.4.360.0020.04314.97
5.4.350.0030.04414.96
5.4.340.0070.02215.08
5.4.330.0060.00310.90
5.4.320.0060.02114.95
5.4.310.0040.02215.06
5.4.300.0040.01914.84
5.4.290.0050.03714.94
5.4.280.0050.02115.06
5.4.270.0020.02314.97
5.4.260.0020.02615.01
5.4.250.0030.02315.02
5.4.240.0030.03914.94
5.4.230.0050.02714.96
5.4.220.0050.02114.98
5.4.210.0060.01814.90
5.4.200.0030.04114.90
5.4.190.0060.02514.98
5.4.180.0030.02814.96
5.4.170.0080.03015.01
5.4.160.0030.02015.01
5.4.150.0060.02215.05
5.4.140.0060.03013.63
5.4.130.0030.02713.59
5.4.120.0020.02513.60
5.4.110.0030.02313.56
5.4.100.0020.04013.66
5.4.90.0020.02313.60
5.4.80.0020.02313.65
5.4.70.0070.02313.70
5.4.60.0030.02213.57
5.4.50.0040.02013.61
5.4.40.0050.02613.68
5.4.30.0050.02213.69
5.4.20.0040.02313.65
5.4.10.0010.02113.58
5.4.00.0060.02613.24
5.3.290.0040.02212.76
5.3.280.0010.02612.73
5.3.270.0030.02112.73
5.3.260.0060.02012.70
5.3.250.0000.03912.73
5.3.240.0000.02312.68
5.3.230.0080.01712.71
5.3.220.0080.02312.73
5.3.210.0060.02312.64
5.3.200.0050.02012.71
5.3.190.0040.02712.66
5.3.180.0050.02012.70
5.3.170.0050.03312.68
5.3.160.0030.02612.73
5.3.150.0100.03112.73
5.3.140.0040.03012.65
5.3.130.0030.02312.68
5.3.120.0050.02212.72
5.3.110.0030.02612.72
5.3.100.0020.02212.44
5.3.90.0030.02112.43
5.3.80.0050.02912.45
5.3.70.0040.02512.43
5.3.60.0030.02012.43
5.3.50.0020.03012.42
5.3.40.0070.02012.39
5.3.30.0030.02612.38
5.3.20.0020.02212.22
5.3.10.0030.02012.27
5.3.00.0060.03612.23
5.2.170.0010.02811.01
5.2.160.0060.01511.01
5.2.150.0030.02210.95
5.2.140.0030.03711.04
5.2.130.0050.01710.91
5.2.120.0030.01610.91
5.2.110.0070.01510.92
5.2.100.0030.02310.99
5.2.90.0040.03510.98
5.2.80.0050.03510.95
5.2.70.0020.03810.91
5.2.60.0050.02510.97
5.2.50.0050.02810.91
5.2.40.0070.02810.91
5.2.30.0040.03210.91
5.2.20.0040.03010.92
5.2.10.0030.03210.91
5.2.00.0050.03310.91
5.1.60.0040.02810.91
5.1.50.0030.03710.91
5.1.40.0020.02610.91
5.1.30.0050.02110.91
5.1.20.0080.02710.91
5.1.10.0050.03110.91
5.1.00.0040.02410.91
5.0.50.0050.02310.91
5.0.40.0030.02410.91
5.0.30.0000.02610.91
5.0.20.0000.02710.91
5.0.10.0030.02210.91
5.0.00.0020.02810.91
4.4.90.0030.02010.91
4.4.80.0040.01710.91
4.4.70.0000.01310.91
4.4.60.0030.01910.91
4.4.50.0000.02410.91
4.4.40.0020.03010.91
4.4.30.0050.01510.91
4.4.20.0070.01510.91
4.4.10.0030.02010.91
4.4.00.0020.02410.91
4.3.110.0020.01710.91
4.3.100.0030.01910.91
4.3.90.0000.02010.91
4.3.80.0020.02910.91
4.3.70.0020.02010.91
4.3.60.0030.01810.91
4.3.50.0030.01810.91
4.3.40.0020.02510.91
4.3.30.0020.01710.91
4.3.20.0020.02110.91
4.3.10.0000.02010.91
4.3.00.0000.02010.91

preferences:
50.46 ms | 401 KiB | 5 Q