3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_compare("foobar", "bar", 3); echo substr_compare("abcde", "bcy", 1, 3);

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)
8.3.60.0040.01118.18
8.3.50.0100.01018.02
8.3.40.0160.00718.59
8.3.30.0000.01418.69
8.3.20.0050.00221.73
8.3.10.0050.00323.56
8.3.00.0000.00723.53
8.2.180.0120.00318.41
8.2.170.0000.01422.96
8.2.160.0140.00018.74
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00719.27
8.2.120.0050.00226.35
8.2.110.0060.00320.58
8.2.100.0080.00417.66
8.2.90.0030.00519.02
8.2.80.0050.00317.97
8.2.70.0070.00319.35
8.2.60.0060.00317.92
8.2.50.0000.00818.10
8.2.40.0040.00420.64
8.2.30.0040.00419.10
8.2.20.0030.00518.04
8.2.10.0060.00317.93
8.2.00.0000.00818.18
8.1.280.0040.01125.92
8.1.270.0000.01022.02
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.00
8.1.230.0000.01117.45
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0090.00018.64
8.1.160.0040.00418.75
8.1.150.0070.00018.62
8.1.140.0040.00419.16
8.1.130.0000.00717.60
8.1.120.0030.00317.37
8.1.110.0040.00417.37
8.1.100.0030.00317.29
8.1.90.0030.00517.31
8.1.80.0030.00517.20
8.1.70.0070.00017.20
8.1.60.0040.00417.32
8.1.50.0040.00417.39
8.1.40.0040.00417.36
8.1.30.0080.00017.39
8.1.20.0000.00717.39
8.1.10.0000.00817.41
8.1.00.0030.00617.23
8.0.300.0080.00018.77
8.0.290.0020.00516.63
8.0.280.0030.00318.36
8.0.270.0000.00717.19
8.0.260.0040.00417.29
8.0.250.0070.00016.86
8.0.240.0030.00516.85
8.0.230.0000.00816.74
8.0.220.0070.00016.73
8.0.210.0030.00316.76
8.0.200.0000.00616.82
8.0.190.0000.00716.76
8.0.180.0050.00516.78
8.0.170.0060.00316.77
8.0.160.0040.00416.74
8.0.150.0030.00416.75
8.0.140.0000.01016.61
8.0.130.0000.00513.16
8.0.120.0080.00016.78
8.0.110.0000.00716.76
8.0.100.0040.00416.62
8.0.90.0000.00716.62
8.0.80.0060.00916.80
8.0.70.0070.00016.54
8.0.60.0000.00716.70
8.0.50.0000.00716.62
8.0.30.0080.01017.05
8.0.20.0110.00817.40
8.0.10.0040.00416.73
8.0.00.0050.01416.72
7.4.330.0030.00316.52
7.4.320.0060.00016.43
7.4.300.0060.00016.45
7.4.290.0030.00316.46
7.4.280.0040.00416.37
7.4.270.0020.00516.31
7.4.260.0030.00316.36
7.4.250.0030.00316.34
7.4.240.0080.00016.42
7.4.230.0040.00416.52
7.4.220.0050.00316.21
7.4.210.0070.00716.42
7.4.200.0040.00416.18
7.4.160.0090.00616.33
7.4.150.0060.01217.40
7.4.140.0100.00817.86
7.4.130.0130.00716.43
7.4.120.0090.01216.34
7.4.110.0100.00716.33
7.4.100.0070.01116.30
7.4.90.0070.01016.28
7.4.80.0090.00919.39
7.4.70.0110.00716.32
7.4.60.0050.01016.39
7.4.50.0060.00616.43
7.4.40.0030.01316.34
7.4.10.0030.01314.82
7.4.00.0070.01014.93
7.3.330.0000.00613.11
7.3.320.0060.00012.88
7.3.310.0060.00016.08
7.3.300.0030.00316.11
7.3.290.0030.00316.13
7.3.280.0050.01016.13
7.3.270.0130.00317.40
7.3.260.0080.00916.21
7.3.250.0080.01316.28
7.3.240.0110.00816.27
7.3.230.0060.01316.40
7.3.210.0070.01016.01
7.3.200.0120.00416.02
7.3.190.0090.00616.09
7.3.180.0130.00316.14
7.3.170.0100.00616.30
7.3.160.0100.01016.31
7.3.130.0050.01114.66
7.3.120.0130.00514.71
7.3.110.0050.01214.77
7.3.100.0070.00714.68
7.3.90.0060.00414.63
7.3.80.0060.00714.90
7.3.70.0090.00514.65
7.3.60.0090.00714.64
7.3.50.0090.00514.74
7.3.40.0030.00814.65
7.3.30.0060.00814.70
7.3.20.0020.01216.55
7.3.10.0090.00716.32
7.3.00.0050.00716.57
7.2.330.0120.00616.28
7.2.320.0090.00916.56
7.2.310.0120.00816.59
7.2.300.0110.01116.53
7.2.290.0080.00816.38
7.2.260.0070.01415.08
7.2.250.0080.01114.82
7.2.240.0080.00814.86
7.2.230.0070.01014.83
7.2.220.0020.01115.00
7.2.210.0060.00914.91
7.2.200.0020.00914.98
7.2.190.0030.01114.91
7.2.180.0050.00614.77
7.2.170.0040.00614.80
7.2.160.0060.00615.01
7.2.150.0120.00316.98
7.2.140.0030.01616.84
7.2.130.0030.00916.82
7.2.120.0080.00616.40
7.2.110.0150.00816.38
7.2.100.0070.00316.89
7.2.90.0060.00916.89
7.2.80.0080.00416.78
7.2.70.0000.01416.83
7.2.60.0060.00616.75
7.2.50.0060.00916.61
7.2.40.0130.00317.04
7.2.30.0100.00316.44
7.2.20.0030.01016.71
7.2.10.0250.01017.15
7.2.00.0190.00717.26
7.1.330.0090.00615.59
7.1.320.0020.01015.73
7.1.310.0060.00815.56
7.1.300.0050.00915.61
7.1.290.0070.00315.57
7.1.280.0030.00915.53
7.1.270.0060.00815.58
7.1.260.0020.01015.44
7.1.250.0000.01415.54
7.1.240.0110.00315.66
7.1.230.0030.00615.73
7.1.220.0070.00315.76
7.1.210.0030.01015.40
7.1.200.0040.00815.69
7.1.190.0060.00615.71
7.1.180.0060.00615.47
7.1.170.0040.00715.69
7.1.160.0030.00615.81
7.1.150.0070.00715.66
7.1.140.0060.00915.51
7.1.130.0080.00815.45
7.1.120.0180.01016.04
7.1.110.0110.01115.87
7.1.100.0140.00715.79
7.1.90.0180.01015.82
7.1.80.0210.00715.93
7.1.70.0160.01215.43
7.1.60.0260.01024.37
7.1.50.0260.00524.12
7.1.40.0190.00723.99
7.1.30.0220.00824.09
7.1.20.0210.01324.08
7.1.10.0150.00715.14
7.1.00.0210.00715.16
7.0.330.0070.00715.32
7.0.320.0030.00615.07
7.0.310.0040.00814.97
7.0.300.0000.01515.36
7.0.290.0070.00315.16
7.0.280.0100.00315.32
7.0.270.0080.00015.49
7.0.260.0000.01515.19
7.0.250.0060.00315.24
7.0.240.0000.01215.32
7.0.230.0070.00715.34
7.0.220.0060.00615.18
7.0.210.0070.00315.46
7.0.200.0110.00015.34
7.0.190.0040.01115.39
7.0.180.0070.00715.32
7.0.170.0070.01015.47
7.0.160.0030.00615.27
7.0.150.0030.00915.11
7.0.140.0080.00815.10
7.0.130.0030.01215.31
7.0.120.0030.01015.50
7.0.110.0000.01215.18
7.0.100.0000.01314.93
7.0.90.0090.00615.40
7.0.80.0040.00415.20
7.0.70.0070.00715.35
7.0.60.0120.00314.96
7.0.50.0070.00715.43
7.0.40.0080.00413.57
7.0.30.0060.01013.22
7.0.20.0040.00813.31
7.0.10.0040.00413.37
7.0.00.0090.00313.43
5.6.400.0000.01413.98
5.6.390.0060.00913.92
5.6.380.0000.01414.11
5.6.370.0040.00814.29
5.6.360.0090.00614.37
5.6.350.0000.01414.36
5.6.340.0000.01214.09
5.6.330.0070.00714.09
5.6.320.0030.00914.31
5.6.310.0000.01014.22
5.6.300.0120.00314.43
5.6.290.0000.01114.34
5.6.280.0040.00414.05
5.6.270.0030.01013.99
5.6.260.0060.00614.16
5.6.250.0080.00413.95
5.6.240.0030.01014.09
5.6.230.0130.00014.02
5.6.220.0040.00414.10
5.6.210.0000.01214.06
5.6.200.0080.00314.11
5.6.190.0100.00714.23
5.6.180.0030.00614.37
5.6.170.0060.00314.28
5.6.160.0070.00714.29
5.6.150.0000.01214.12
5.6.140.0030.01014.27
5.6.130.0030.01014.27
5.6.120.0150.00314.20
5.6.110.0090.00613.96
5.6.100.0000.01414.10
5.6.90.0030.00613.85
5.6.80.0140.00013.94
5.6.70.0110.00714.11
5.6.60.0060.01214.09
5.6.50.0030.01413.89
5.6.40.0070.00714.00
5.6.30.0100.00314.15
5.6.20.0080.00013.96
5.6.10.0040.00714.24
5.6.00.0030.00513.98

preferences:
62.36 ms | 400 KiB | 5 Q