3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sub_string = 'rayy@'; $str = 'rayy@example.com'; if (substr($str, 0, strlen($sub_string)) == $sub_string) { $str = substr($str, strlen($sub_string)); } echo $str; ?>

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)
8.3.60.0110.00416.60
8.3.50.0080.01321.96
8.3.40.0110.00418.71
8.3.30.0040.01118.79
8.3.20.0040.00420.32
8.3.10.0040.00421.85
8.3.00.0030.00519.13
8.2.180.0140.00718.41
8.2.170.0070.00722.96
8.2.160.0040.01420.58
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0050.00322.34
8.2.110.0030.00722.25
8.2.100.0040.00817.90
8.2.90.0040.00417.78
8.2.80.0060.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0000.00820.01
8.2.30.0000.00717.93
8.2.20.0050.00217.79
8.2.10.0050.00218.12
8.2.00.0030.00617.62
8.1.280.0110.00725.92
8.1.270.0040.00423.91
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00322.48
8.1.230.0040.00720.87
8.1.220.0030.00617.77
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0040.00417.54
8.1.180.0060.00318.88
8.1.170.0080.00018.58
8.1.160.0040.00421.93
8.1.150.0040.00418.60
8.1.140.0040.00417.32
8.1.130.0030.00317.86
8.1.120.0050.00317.50
8.1.110.0000.00917.36
8.1.100.0060.00317.49
8.1.90.0050.00317.41
8.1.80.0070.00017.41
8.1.70.0070.00017.34
8.1.60.0030.00617.58
8.1.50.0040.00417.52
8.1.40.0040.00417.41
8.1.30.0080.00017.50
8.1.20.0000.00817.54
8.1.10.0040.00417.46
8.1.00.0000.00817.39
8.0.300.0000.00719.87
8.0.290.0000.00717.16
8.0.280.0000.00718.31
8.0.270.0030.00317.30
8.0.260.0060.00017.17
8.0.250.0040.00416.97
8.0.240.0080.00016.89
8.0.230.0000.00816.94
8.0.220.0050.00316.79
8.0.210.0040.00416.84
8.0.200.0000.00616.88
8.0.190.0060.00316.83
8.0.180.0050.00316.86
8.0.170.0080.00016.70
8.0.160.0040.00416.90
8.0.150.0070.00016.79
8.0.140.0000.00716.80
8.0.130.0000.00613.23
8.0.120.0050.00316.68
8.0.110.0030.00516.79
8.0.100.0040.00416.60
8.0.90.0000.00716.66
8.0.80.0140.00716.77
8.0.70.0040.00416.85
8.0.60.0000.00816.86
8.0.50.0050.00216.83
8.0.30.0170.00217.13
8.0.20.0090.00917.40
8.0.10.0040.00417.05
8.0.00.0110.01216.68
7.4.330.0060.00015.07
7.4.320.0000.00716.60
7.4.300.0000.00716.57
7.4.290.0030.00716.65
7.4.280.0060.00016.50
7.4.270.0000.00816.55
7.4.260.0000.00716.60
7.4.250.0040.00416.44
7.4.240.0020.00516.52
7.4.230.0030.00316.71
7.4.220.0140.01016.46
7.4.210.0080.00816.59
7.4.200.0070.00016.35
7.4.190.0000.00716.45
7.4.160.0060.00916.46
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0060.01116.56
7.4.120.0070.01016.47
7.4.110.0170.00716.54
7.4.100.0090.00916.55
7.4.90.0130.00916.50
7.4.80.0090.00919.39
7.4.70.0170.00316.30
7.4.60.0030.01216.48
7.4.50.0000.00816.57
7.4.40.0030.01322.77
7.4.30.0060.01016.49
7.4.10.0040.01114.69
7.4.00.0080.01014.96
7.3.330.0060.00013.20
7.3.320.0000.00513.14
7.3.310.0000.00716.11
7.3.300.0000.00716.29
7.3.290.0070.01316.18
7.3.280.0080.00916.32
7.3.270.0030.01317.40
7.3.260.0060.01216.52
7.3.250.0070.01416.24
7.3.240.0100.00916.32
7.3.230.0000.01816.50
7.3.210.0070.01016.16
7.3.200.0110.01019.39
7.3.190.0130.00316.15
7.3.180.0060.01016.38
7.3.170.0090.00616.32
7.3.160.0090.01216.48
7.3.130.0060.00914.83
7.3.120.0050.01014.66
7.3.110.0100.01014.97
7.3.100.0060.00614.86
7.3.90.0000.01414.62
7.3.80.0030.00914.77
7.3.70.0100.00314.79
7.3.60.0130.00014.94
7.3.50.0060.00614.75
7.3.40.0060.00914.48
7.3.30.0040.00814.93
7.3.20.0100.00316.60
7.3.10.0040.00916.58
7.3.00.0090.00616.57
7.2.330.0150.00616.55
7.2.320.0060.01116.52
7.2.310.0160.00716.61
7.2.300.0070.01016.61
7.2.290.0060.01016.58
7.2.260.0030.01814.88
7.2.250.0040.01414.77
7.2.240.0030.01214.78
7.2.230.0040.00814.71
7.2.220.0040.01414.84
7.2.210.0000.01014.75
7.2.200.0030.00715.09
7.2.190.0030.01014.74
7.2.180.0030.01014.97
7.2.170.0070.00714.96
7.2.160.0090.00614.97
7.2.150.0070.01117.05
7.2.140.0030.00617.01
7.2.130.0070.00716.69
7.2.120.0050.01016.80
7.2.110.0040.00916.78
7.2.100.0110.00316.84
7.2.90.0040.01016.81
7.2.80.0060.00816.91
7.2.70.0070.00716.73
7.2.60.0080.00816.82
7.2.50.0040.00816.90
7.2.40.0080.00716.81
7.2.30.0060.00916.87
7.2.20.0060.00616.93
7.2.10.0070.00816.76
7.2.00.0070.00617.40
7.1.330.0070.00716.00
7.1.320.0040.00416.05
7.1.310.0060.00915.56
7.1.300.0070.01015.74
7.1.290.0090.00615.52
7.1.280.0100.00315.85
7.1.270.0090.00615.74
7.1.260.0040.01115.92
7.1.250.0070.00515.84
7.1.240.0020.01215.68
7.1.230.0110.00315.88
7.1.220.0080.00615.74
7.1.210.0050.01015.79
7.1.200.0040.00715.80
7.1.190.0040.00715.92
7.1.180.0040.00615.76
7.1.170.0100.00115.43
7.1.160.0040.00715.93
7.1.150.0020.01215.74
7.1.140.0100.00115.76
7.1.130.0050.00815.60
7.1.120.0040.00715.82
7.1.110.0070.00715.88
7.1.100.0050.00716.64
7.1.90.0050.00715.90
7.1.80.0080.00215.85
7.1.70.0040.00616.38
7.1.60.0070.00817.03
7.1.50.0120.00822.08
7.1.40.0050.00715.88
7.1.30.0050.00815.61
7.1.20.0050.00615.84
7.1.10.0070.00515.93
7.1.00.0060.02817.98
7.0.330.0060.00615.42
7.0.320.0080.00315.48
7.0.310.0050.00715.33
7.0.300.0050.00815.31
7.0.290.0060.00815.41
7.0.280.0040.00615.39
7.0.270.0080.00415.46
7.0.260.0020.01015.32
7.0.250.0040.00715.53
7.0.240.0050.00515.18
7.0.230.0100.00515.35
7.0.220.0030.00915.30
7.0.210.0050.00715.54
7.0.200.0100.00515.08
7.0.190.0090.00315.46
7.0.180.0060.00515.36
7.0.170.0050.00715.42
7.0.160.0090.00515.28
7.0.150.0060.00815.33
7.0.140.0050.03017.69
7.0.130.0050.00615.42
7.0.120.0060.00415.54
7.0.110.0080.00615.30
7.0.100.0080.00315.19
7.0.90.0040.01015.38
7.0.80.0040.00815.43
7.0.70.0020.00815.51
7.0.60.0040.03117.09
7.0.50.0090.02916.19
7.0.40.0080.03115.76
7.0.30.0090.02415.54
7.0.20.0100.02115.69
7.0.10.0100.02415.58
7.0.00.0020.02415.73
5.6.400.0070.00413.93
5.6.390.0060.00614.29
5.6.380.0010.00914.26
5.6.370.0050.01014.21
5.6.360.0030.00914.41
5.6.350.0060.00614.43
5.6.340.0070.00413.85
5.6.330.0100.00514.15
5.6.320.0060.00514.43
5.6.310.0090.00314.25
5.6.300.0060.00614.30
5.6.290.0060.01014.25
5.6.280.0060.02716.40
5.6.270.0070.00714.50
5.6.260.0030.01014.07
5.6.250.0040.00914.15
5.6.240.0070.00614.34
5.6.230.0050.00614.27
5.6.220.0050.00814.15
5.6.210.0000.03716.36
5.6.200.0040.03315.53
5.6.190.0070.03116.25
5.6.180.0130.02116.25
5.6.170.0090.01716.20
5.6.160.0080.02916.33
5.6.150.0070.03015.73
5.6.140.0030.02215.68
5.6.130.0060.02715.64
5.6.120.0040.01916.57
5.6.110.0030.02716.53
5.6.100.0060.03016.65
5.6.90.0070.02216.46
5.6.80.0050.02216.26
5.6.70.1100.01916.08
5.6.60.0080.00514.05
5.6.50.0050.00614.28
5.6.40.0020.00914.27
5.6.30.0000.01214.06
5.6.20.0060.00714.36
5.6.10.0070.00614.14
5.6.00.0080.00513.92
5.5.380.0070.00212.51
5.5.370.0050.00312.58
5.5.360.0070.00412.59
5.5.350.0070.01415.23
5.5.340.0080.02514.40
5.5.330.0060.02815.13
5.5.320.0120.02915.11
5.5.310.0110.02515.15
5.5.300.0020.03114.35
5.5.290.0090.02814.38
5.5.280.0090.02615.33
5.5.270.0080.02615.28
5.5.260.0010.03115.31
5.5.250.0060.02915.16
5.5.240.0060.02515.17
5.5.230.0040.00712.43
5.5.220.0050.00612.46
5.5.210.0090.00412.55
5.5.200.0030.00812.41
5.5.190.0020.01012.51
5.5.180.0030.00712.64
5.5.170.0070.00412.54
5.5.160.0010.01012.52
5.5.150.0060.00812.66
5.5.140.0020.00812.58
5.5.130.0110.00212.48
5.5.120.0020.01012.56
5.5.110.0090.00212.41
5.5.100.0070.00312.41
5.5.90.0030.01012.61
5.5.80.0040.00912.60
5.5.70.0080.00512.58
5.5.60.0060.00612.47
5.5.50.0070.00512.48
5.5.40.0060.00712.50
5.5.30.0000.01412.43
5.5.20.0040.00712.58
5.5.10.0070.00612.44
5.5.00.0060.00512.38
5.4.450.0250.02613.71
5.4.440.0330.02613.83
5.4.430.0290.02413.76
5.4.420.0250.02413.72
5.4.410.0070.02113.61
5.4.400.0380.02513.69
5.4.390.0420.02713.70
5.4.380.0190.02113.35
5.4.370.0250.01513.29
5.4.360.0160.02313.48
5.4.350.0160.02413.40
5.4.340.0110.02313.48
5.4.330.0020.00510.89
5.4.320.0050.01511.45
5.4.310.0080.01611.36
5.4.300.0050.01611.46
5.4.290.0070.01811.45
5.4.280.0030.02011.42
5.4.270.0090.01411.34
5.4.260.0100.01411.37
5.4.250.0030.01911.43
5.4.240.0110.02811.48
5.4.230.0070.03811.36
5.4.220.0080.03511.35
5.4.210.0030.02111.36
5.4.200.0050.02411.37
5.4.190.0070.02011.43
5.4.180.0070.01711.41
5.4.170.0060.01911.40
5.4.160.0070.02411.38
5.4.150.0060.02211.36
5.4.140.0040.02211.37
5.4.130.0050.01711.20
5.4.120.0060.01711.24
5.4.110.0070.01311.27
5.4.100.0060.01511.16
5.4.90.0070.01511.22
5.4.80.0060.01911.30
5.4.70.0060.01611.28
5.4.60.0060.01911.24
5.4.50.0050.01511.29
5.4.40.0070.01711.24
5.4.30.0050.01811.21
5.4.20.0030.01611.40
5.4.10.0050.02011.30
5.4.00.0040.01710.98
5.3.290.0060.01811.43
5.3.280.0090.01411.34
5.3.270.0040.01911.35
5.3.260.0040.01811.31
5.3.250.0040.01811.34
5.3.240.0060.01911.33
5.3.230.0070.01611.33
5.3.220.0080.02411.27
5.3.210.0090.03011.30
5.3.200.0050.03411.27
5.3.190.0060.02111.32
5.3.180.0060.02311.29
5.3.170.0050.01811.27
5.3.160.0060.02611.34
5.3.150.0070.04411.35
5.3.140.0080.03211.33
5.3.130.0060.02411.30
5.3.120.0050.02311.33
5.3.110.0080.02411.32
5.3.100.0070.01811.16
5.3.90.0050.02011.18
5.3.80.0050.01611.12
5.3.70.0060.01511.09
5.3.60.0040.01811.12
5.3.50.0050.02211.08
5.3.40.0040.01911.04
5.3.30.0040.01711.09
5.3.20.0050.01910.99
5.3.10.0060.03210.94
5.3.00.0050.02710.93
5.2.170.0110.02910.04
5.2.160.0080.02910.04
5.2.150.0050.02410.04
5.2.140.0070.03910.04
5.2.130.0100.03010.02
5.2.120.0050.02010.02
5.2.110.0100.04010.02
5.2.100.0040.04210.02
5.2.90.0080.02610.02
5.2.80.0050.02910.02
5.2.70.0060.03710.02
5.2.60.0100.0419.99
5.2.50.0050.0289.98
5.2.40.0090.0399.96
5.2.30.0100.0179.96
5.2.20.0120.0519.95
5.2.10.0070.0209.91
5.2.00.0020.0279.84
5.1.60.0060.0209.48
5.1.50.0060.0259.48
5.1.40.0050.0159.47
5.1.30.0020.0269.64
5.1.20.0080.0239.66
5.1.10.0050.0309.52
5.1.00.0060.0169.52
5.0.50.0040.0138.76
5.0.40.0050.0168.69
5.0.30.0050.0358.59
5.0.20.0070.0328.58
5.0.10.0050.0208.57
5.0.00.0090.0198.57
4.4.90.0040.0147.84
4.4.80.0090.0397.82
4.4.70.0070.0207.82
4.4.60.0040.0167.83
4.4.50.0050.0127.84
4.4.40.0040.0347.80
4.4.30.0050.0107.83
4.4.20.0040.0137.87
4.4.10.0050.0237.87
4.4.00.0040.0267.83
4.3.110.0040.0187.79
4.3.100.0060.0097.78
4.3.90.0040.0127.76
4.3.80.0040.0257.74
4.3.70.0030.0137.76
4.3.60.0050.0237.76
4.3.50.0040.0157.76
4.3.40.0080.0227.72
4.3.30.0040.0217.09
4.3.20.0030.0147.08
4.3.10.0050.0107.06
4.3.00.0110.01610.72

preferences:
46.5 ms | 401 KiB | 5 Q