3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_substr("香港亿阳实业钻井工程施工服务应付账款转让项目(二期)", 0, 8, 'utf-8') . '****' . mb_substr("香港亿阳实业钻井工程施工服务应付账款转让项目(二期)",8 , 'utf-8'));

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)
8.3.60.0120.00316.63
8.3.50.0040.01118.03
8.3.40.0210.00018.79
8.3.30.0080.00818.88
8.3.20.0000.00820.34
8.3.10.0040.00423.51
8.3.00.0050.00319.82
8.2.180.0000.01418.30
8.2.170.0120.00322.96
8.2.160.0070.00720.47
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0050.00320.93
8.2.120.0030.00626.35
8.2.110.0060.00321.06
8.2.100.0090.00317.91
8.2.90.0000.00818.16
8.2.80.0000.00817.97
8.2.70.0040.00417.80
8.2.60.0000.01117.80
8.2.50.0000.00818.10
8.2.40.0000.00820.68
8.2.30.0000.00720.50
8.2.20.0000.00817.68
8.2.10.0000.00718.00
8.2.00.0050.00318.05
8.1.280.0100.00325.92
8.1.270.0050.00318.77
8.1.260.0040.00428.09
8.1.250.0060.00328.09
8.1.240.0090.00321.88
8.1.230.0060.00620.98
8.1.220.0050.00317.74
8.1.210.0100.00018.77
8.1.200.0000.00817.36
8.1.190.0030.00617.10
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0040.00422.05
8.1.150.0020.00518.82
8.1.140.0040.00419.61
8.1.130.0000.00717.64
8.1.120.0070.00017.30
8.1.110.0040.00417.44
8.1.100.0080.00017.39
8.1.90.0040.00417.38
8.1.80.0000.00817.39
8.1.70.0070.00017.34
8.1.60.0080.00017.55
8.1.50.0000.00817.50
8.1.40.0040.00417.41
8.1.30.0030.00617.55
8.1.20.0040.00417.63
8.1.10.0000.00817.55
8.1.00.0000.00817.52
8.0.300.0070.00019.98
8.0.290.0050.00216.88
8.0.280.0040.00418.50
8.0.270.0050.00317.25
8.0.260.0000.00717.38
8.0.250.0000.00717.13
8.0.240.0000.00716.98
8.0.230.0060.00316.94
8.0.220.0050.00316.90
8.0.210.0050.00317.05
8.0.200.0020.00517.06
8.0.190.0020.00516.96
8.0.180.0040.00417.10
8.0.170.0040.00417.11
8.0.160.0000.00716.95
8.0.150.0030.00316.91
8.0.140.0060.00316.94
8.0.130.0050.00013.44
8.0.120.0000.00817.08
8.0.110.0040.00416.95
8.0.100.0040.00416.87
8.0.90.0040.00416.93
8.0.80.0090.00617.07
8.0.70.0040.00416.96
8.0.60.0000.00816.89
8.0.50.0000.00716.88
8.0.30.0060.01217.16
8.0.20.0070.01317.40
8.0.10.0030.00516.96
8.0.00.0080.01016.83
7.4.330.0020.00216.79
7.4.320.0000.00716.46
7.4.300.0000.00716.44
7.4.290.0040.00416.54
7.4.280.0000.00716.54
7.4.270.0040.00416.50
7.4.260.0000.00716.50
7.4.250.0000.00716.45
7.4.240.0050.00316.42
7.4.230.0040.00416.27
7.4.220.0070.01116.57
7.4.210.0100.00316.43
7.4.200.0000.00716.57
7.4.160.0160.00016.38
7.4.150.0070.01017.40
7.4.140.0120.00517.86
7.4.130.0110.00916.59
7.4.120.0110.00816.49
7.4.110.0000.01916.40
7.4.100.0190.00516.38
7.4.90.0090.01216.54
7.4.80.0030.01319.39
7.4.70.0070.01016.28
7.4.60.0070.01016.38
7.4.50.0150.00316.32
7.4.40.0090.00716.31
7.4.30.0170.00016.49
7.4.10.0030.01415.17
7.4.00.0060.01014.83
7.3.330.0040.00213.17
7.3.320.0050.00013.20
7.3.310.0000.00816.34
7.3.300.0070.00016.21
7.3.290.0070.00916.24
7.3.280.0060.01016.28
7.3.270.0100.00717.40
7.3.260.0130.01016.45
7.3.250.0110.00616.21
7.3.240.0080.00816.40
7.3.230.0060.01216.39
7.3.210.0090.00616.31
7.3.200.0070.01116.48
7.3.190.0060.01016.48
7.3.180.0000.01616.11
7.3.170.0090.01216.44
7.3.160.0150.00616.36
7.3.130.0060.00914.67
7.3.120.0110.00614.82
7.3.110.0080.00814.61
7.3.100.0060.00614.77
7.3.90.0000.00914.92
7.3.80.0060.00914.63
7.3.70.0030.00614.49
7.3.60.0030.00914.92
7.3.50.0030.01014.76
7.3.40.0070.00714.63
7.3.30.0080.00314.81
7.3.20.0120.00316.54
7.3.10.0080.00516.61
7.3.00.0000.01716.63
7.2.330.0100.00716.53
7.2.320.0110.00716.39
7.2.310.0130.01016.58
7.2.300.0080.00816.49
7.2.290.0130.01016.41
7.2.260.0060.01314.72
7.2.250.0060.00715.00
7.2.240.0100.00715.07
7.2.230.0030.01114.52
7.2.220.0060.00614.80
7.2.210.0030.01015.08
7.2.200.0030.01014.63
7.2.190.0120.00414.84
7.2.180.0040.01114.91
7.2.170.0070.01014.68
7.2.160.0070.00715.05
7.2.150.0130.00316.85
7.2.140.0040.00716.56
7.2.130.0070.01116.69
7.2.120.0050.00916.54
7.2.110.0050.01016.74
7.2.100.0050.00616.75
7.2.90.0050.00916.61
7.2.80.0080.00716.50
7.2.70.0030.01016.70
7.2.60.0070.00616.95
7.2.50.0070.00716.65
7.2.40.0030.01416.69
7.2.30.0040.01216.79
7.2.20.0070.00816.74
7.2.10.0050.00616.72
7.2.00.0050.01017.50
7.1.330.0130.00015.63
7.1.320.0080.00315.49
7.1.310.0000.01415.47
7.1.300.0060.00715.83
7.1.290.0030.01215.69
7.1.280.0060.00315.71
7.1.270.0030.01315.63
7.1.260.0090.00615.44
7.1.250.0020.00815.70
7.1.240.0070.00415.81
7.1.230.0110.00015.85
7.1.220.0110.00715.50
7.1.210.0070.00715.50
7.1.200.0030.00815.54
7.1.190.0090.00615.68
7.1.180.0080.00815.76
7.1.170.0030.01015.86
7.1.160.0060.01015.53
7.1.150.0040.01115.79
7.1.140.0060.00615.74
7.1.130.0060.00615.61
7.1.120.0080.00415.82
7.1.110.0070.00715.59
7.1.100.0060.00616.91
7.1.90.0070.01015.70
7.1.80.0070.00715.76
7.1.70.0050.00516.31
7.1.60.0080.01117.46
7.1.50.0030.01116.32
7.1.40.0110.00415.70
7.1.30.0000.01515.74
7.1.20.0070.01015.73
7.1.10.0100.00615.47
7.1.00.0030.04219.09
7.0.330.0030.00915.23
7.0.320.0140.00315.41
7.0.310.0070.00715.44
7.0.300.0100.00315.14
7.0.290.0080.00415.47
7.0.280.0060.01015.05
7.0.270.0070.00715.31
7.0.260.0030.00615.33
7.0.250.0070.00315.49
7.0.240.0000.01115.39
7.0.230.0110.00415.30
7.0.220.0070.00715.27
7.0.210.0030.00715.32
7.0.200.0020.00715.91
7.0.190.0030.01215.24
7.0.180.0090.00615.42
7.0.170.0030.01015.09
7.0.160.0090.00315.03
7.0.150.0130.00015.36
7.0.140.0000.01415.18
7.0.130.0030.00915.26
7.0.120.0070.00715.36
7.0.110.0090.00315.25
7.0.100.0000.01315.32
7.0.90.0000.01115.24
7.0.80.0060.00615.39
7.0.70.0030.01315.23
7.0.60.0030.03217.59
7.0.50.0100.04516.62
7.0.40.0090.02316.70
7.0.30.0130.04116.80
7.0.20.0130.02816.74
7.0.10.0100.03316.83
7.0.00.0100.04316.73
5.6.400.0040.00814.41
5.6.390.0040.01214.36
5.6.380.0100.00714.25
5.6.370.0030.01013.97
5.6.360.0060.00313.90
5.6.350.0000.01113.85
5.6.340.0030.00914.25
5.6.330.0080.00814.55
5.6.320.0090.00314.37
5.6.310.0030.01014.11
5.6.300.0090.00314.27
5.6.290.0040.01114.20
5.6.280.0080.02917.64
5.6.270.0000.01514.01
5.6.260.0060.00614.39
5.6.250.0030.00914.39
5.6.240.0070.00714.26
5.6.230.0030.01014.23
5.6.220.0040.00814.17
5.6.210.0030.02717.34
5.6.200.0050.03216.15
5.6.190.0130.04117.41
5.6.180.0290.03617.27
5.6.170.0150.04717.32
5.6.160.0130.03217.25
5.6.150.0040.04616.06
5.6.140.0050.02216.20
5.6.130.0050.02916.09
5.6.120.0030.04717.68
5.6.110.0100.04517.68
5.6.100.0050.02817.64
5.6.90.0040.03217.53
5.6.80.0080.02517.28
5.6.70.0030.01014.38
5.6.60.0000.01314.23
5.6.50.0120.00314.15
5.6.40.0030.01014.44
5.6.30.0060.00613.84
5.6.20.0070.00714.03
5.6.10.0000.01914.35
5.6.00.0040.00413.93
5.5.380.0030.00914.15
5.5.370.0060.00614.00
5.5.360.0070.00714.55
5.5.350.0070.02617.27
5.5.340.0040.04216.20
5.5.330.0090.04217.25
5.5.320.0050.02017.27
5.5.310.0150.04717.14
5.5.300.0060.04316.05
5.5.290.0030.04315.95
5.5.280.0070.02617.48
5.5.270.0130.03917.38
5.5.260.0040.04617.25
5.5.250.0100.04317.26
5.5.240.0080.04317.18
5.5.230.0120.00013.70
5.5.220.0060.00613.95
5.5.210.0060.00814.10
5.5.200.0030.00913.85
5.5.190.0000.01214.13
5.5.180.0080.01114.02
5.5.170.0080.00014.19
5.5.160.0030.00913.83
5.5.150.0100.00714.19
5.5.140.0000.01414.38
5.5.130.0030.00914.04
5.5.120.0030.01014.14
5.5.110.0040.00714.00
5.5.100.0100.00313.63
5.5.90.0060.00614.20
5.5.80.0040.00814.32
5.5.70.0110.00014.17
5.5.60.0100.00613.63
5.5.50.0030.00913.94
5.5.40.0100.00714.13
5.5.30.0040.01113.60
5.5.20.0100.00614.06
5.5.10.0030.00613.75
5.5.00.0070.00713.91

preferences:
58.23 ms | 400 KiB | 5 Q