3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str="ABCDEFG"; echo substr($str, 0, 10); ?>

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)
8.3.60.0150.00018.05
8.3.50.0070.00717.93
8.3.40.0080.00818.54
8.3.30.0100.00718.54
8.3.20.0070.00021.95
8.3.10.0060.00323.41
8.3.00.0090.00019.01
8.2.180.0090.00918.19
8.2.170.0140.00722.96
8.2.160.0000.01422.26
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00417.97
8.2.120.0070.00026.35
8.2.110.0050.00522.26
8.2.100.0110.00017.91
8.2.90.0040.00417.63
8.2.80.0070.00317.97
8.2.70.0040.00418.04
8.2.60.0040.00418.22
8.2.50.0080.00318.10
8.2.40.0050.00320.60
8.2.30.0050.00319.25
8.2.20.0000.00718.06
8.2.10.0000.00817.93
8.2.00.0060.00317.63
8.1.270.0070.00020.25
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0080.00020.77
8.1.230.0040.00817.77
8.1.220.0080.00017.76
8.1.210.0000.00818.77
8.1.200.0030.00617.10
8.1.190.0060.00317.10
8.1.180.0030.00518.10
8.1.170.0000.00720.11
8.1.160.0040.00418.76
8.1.150.0070.00020.26
8.1.140.0080.00019.42
8.1.130.0000.00718.95
8.1.120.0030.00317.36
8.1.110.0110.00017.39
8.1.100.0040.00417.44
8.1.90.0040.00417.44
8.1.80.0070.00017.41
8.1.70.0000.00717.36
8.1.60.0040.00417.41
8.1.50.0030.00517.44
8.1.40.0000.00817.38
8.1.30.0040.00417.63
8.1.20.0000.00717.51
8.1.10.0060.00317.54
8.1.00.0000.00817.47
8.0.300.0060.00318.77
8.0.290.0060.00316.75
8.0.280.0040.00418.49
8.0.270.0030.00317.29
8.0.260.0030.00317.30
8.0.250.0030.00316.83
8.0.240.0050.00316.87
8.0.230.0030.00616.89
8.0.220.0040.00416.84
8.0.210.0000.00716.76
8.0.200.0060.00316.87
8.0.190.0070.00016.80
8.0.180.0000.00816.82
8.0.170.0070.00016.72
8.0.160.0040.00416.85
8.0.150.0000.00816.72
8.0.140.0000.00716.67
8.0.130.0050.00013.34
8.0.120.0040.00416.79
8.0.110.0000.00716.68
8.0.100.0040.00416.68
8.0.90.0070.00016.86
8.0.80.0060.00916.89
8.0.70.0070.00016.69
8.0.60.0040.00416.68
8.0.50.0050.00216.66
8.0.30.0060.00916.97
8.0.20.0080.01017.40
8.0.10.0000.00716.93
8.0.00.0100.00716.59
7.4.330.0040.00015.55
7.4.320.0040.00416.43
7.4.300.0030.00316.44
7.4.290.0050.00516.45
7.4.280.0080.00016.45
7.4.270.0070.00016.44
7.4.260.0070.00016.42
7.4.250.0000.00716.55
7.4.240.0000.00816.45
7.4.230.0000.00716.47
7.4.220.0100.00716.47
7.4.210.0120.00416.46
7.4.200.0040.00416.28
7.4.160.0100.00916.39
7.4.150.0030.01417.40
7.4.140.0060.01317.86
7.4.130.0110.00816.36
7.4.120.0140.00716.50
7.4.110.0090.00916.45
7.4.100.0140.00416.20
7.4.90.0090.00816.45
7.4.80.0120.00919.39
7.4.70.0060.01316.48
7.4.60.0030.01316.54
7.4.50.0060.00916.57
7.4.40.0090.00616.44
7.4.30.0070.01016.33
7.4.00.0060.01214.97
7.3.330.0050.00012.94
7.3.320.0000.00513.01
7.3.310.0030.00316.18
7.3.300.0060.00016.04
7.3.290.0070.00016.16
7.3.280.0090.00916.14
7.3.270.0080.00817.40
7.3.260.0180.01116.22
7.3.250.0140.00416.37
7.3.240.0100.00916.30
7.3.230.0070.01016.20
7.3.210.0130.00616.20
7.3.200.0100.00619.39
7.3.190.0060.01016.16
7.3.180.0080.00816.17
7.3.170.0170.00716.16
7.3.160.0150.00316.36
7.3.120.0080.01014.59
7.3.110.0060.01114.52
7.3.100.0000.01414.60
7.3.90.0050.00814.59
7.3.80.0030.01114.60
7.3.70.0060.00814.57
7.3.60.0080.00714.56
7.3.50.0110.00314.75
7.3.40.0030.01214.61
7.3.30.0050.00714.59
7.3.20.0040.00916.48
7.3.10.0000.01316.61
7.3.00.0060.00716.40
7.2.330.0090.00916.52
7.2.320.0160.00016.34
7.2.310.0030.01216.41
7.2.300.0160.00616.55
7.2.290.0090.00616.43
7.2.250.0080.01114.92
7.2.240.0090.01114.86
7.2.230.0100.00514.77
7.2.220.0070.00714.85
7.2.210.0070.01214.78
7.2.200.0010.01014.83
7.2.190.0050.01014.91
7.2.180.0070.00814.73
7.2.170.0020.01214.98
7.2.160.0040.00814.91
7.2.150.0000.01116.82
7.2.140.0000.01016.80
7.2.130.0080.00516.95
7.2.120.0070.00716.90
7.2.110.0080.00816.37
7.2.100.0000.01016.92
7.2.90.0100.00316.57
7.2.80.0040.00716.89
7.2.70.0070.00716.75
7.2.60.0090.00216.92
7.2.50.0040.01316.85
7.2.40.0100.00316.93
7.2.30.0000.01116.77
7.2.20.0100.00016.86
7.2.10.0040.01516.52
7.2.00.0120.00316.92
7.1.330.0080.00715.72
7.1.320.0050.00715.39
7.1.310.0120.00315.59
7.1.300.0060.00715.59
7.1.290.0050.00715.85
7.1.280.0090.00415.62
7.1.270.0000.01215.52
7.1.260.0030.00915.74
7.1.250.0000.01415.75
7.1.240.0030.00915.68
7.1.230.0070.00715.49
7.1.220.0000.01015.41
7.1.210.0090.00615.84
7.1.200.0050.00715.83
7.1.190.0000.01215.77
7.1.180.0090.00015.65
7.1.170.0030.01415.79
7.1.160.0000.01415.71
7.1.150.0070.01015.85
7.1.140.0000.01615.80
7.1.130.0140.00015.54
7.1.120.0000.01115.59
7.1.110.0100.00315.83
7.1.100.0000.01315.63
7.1.90.0000.01115.70
7.1.80.0030.00915.83
7.1.70.0070.00516.36
7.1.60.0020.01216.36
7.1.50.0040.00715.79
7.1.40.0100.00615.79
7.1.30.0030.01015.63
7.1.20.0080.00415.80
7.1.10.0060.03918.98
7.1.00.0070.04119.08
7.0.330.0040.00815.29
7.0.320.0000.01115.17
7.0.310.0000.00915.32
7.0.300.0090.00015.34
7.0.290.0090.00615.09
7.0.280.0070.00715.30
7.0.270.0060.00615.17
7.0.260.0030.01215.02
7.0.250.0000.01415.48
7.0.240.0030.00915.46
7.0.230.0130.00315.39
7.0.220.0040.01115.29
7.0.210.0070.00415.44
7.0.200.0070.00716.00
7.0.190.0060.00315.26
7.0.180.0000.00915.47
7.0.170.0030.01015.34
7.0.160.0060.00915.38
7.0.150.0090.00615.29
7.0.140.0030.03618.69
7.0.130.0050.03418.72
7.0.120.0050.03218.77
7.0.110.0040.03518.68
7.0.100.0030.03718.58
7.0.90.0120.04018.70
7.0.80.0060.03018.66
7.0.70.0040.03318.76
7.0.60.0150.02318.70
7.0.50.0050.03218.81
7.0.40.0070.03017.67
7.0.30.0050.03117.74
7.0.20.0040.03117.67
7.0.10.0100.02817.65
7.0.00.0010.03317.63
5.6.400.0030.01214.27
5.6.390.0060.00314.05
5.6.380.0080.00614.24
5.6.370.0030.00914.32
5.6.360.0090.00314.15
5.6.350.0060.00914.21
5.6.340.0040.00414.59
5.6.330.0080.00314.32
5.6.320.0030.01013.89
5.6.310.0140.00014.16
5.6.300.0000.01614.14
5.6.290.0120.00014.48
5.6.280.0030.00913.97
5.6.270.0030.00614.38
5.6.260.0000.01714.34
5.6.250.0000.01414.30
5.6.240.0060.00314.30
5.6.230.0000.01114.43
5.6.220.0070.01014.29
5.6.210.0060.00914.21
5.6.200.0000.00914.12
5.6.190.0030.01314.20
5.6.180.0090.00614.13
5.6.170.0090.00614.07
5.6.160.0060.00614.49
5.6.150.0110.00314.30
5.6.140.0120.00414.23
5.6.130.0040.01114.16
5.6.120.0030.01314.23
5.6.110.0040.01114.12
5.6.100.0000.01414.30
5.6.90.0070.00714.30
5.6.80.0070.00714.17
5.6.70.0000.00914.25
5.6.60.0100.00314.13
5.6.50.0000.01514.14
5.6.40.0080.00013.89
5.6.30.0050.00314.07
5.6.20.0090.00614.41
5.6.10.0060.00613.94
5.6.00.0090.00314.07

preferences:
56.15 ms | 400 KiB | 5 Q