3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); var_dump(substr_replace(array("x", "y"), array(), array(), 0)); var_dump(substr_replace(array("x", "y"), array(), 0, array())); var_dump(substr_replace(array("x", "y"), array(), array(), array())); var_dump(substr_replace(array("x", "y"), array(), 0, 0));

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
8.3.50.0130.00522.05
8.3.40.0140.00318.59
8.3.30.0070.01118.96
8.3.20.0040.00420.20
8.3.10.0040.00423.70
8.3.00.0070.00019.19
8.2.180.0120.00416.75
8.2.170.0070.00722.96
8.2.160.0030.01020.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00420.92
8.2.110.0030.00620.34
8.2.100.0110.00017.59
8.2.90.0040.00417.72
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0040.00417.91
8.2.50.0090.00018.07
8.2.40.0050.00317.91
8.2.30.0000.00818.19
8.2.20.0080.00017.60
8.2.10.0070.00017.82
8.2.00.0070.00017.53
8.1.280.0100.00725.92
8.1.270.0050.00323.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.04
8.1.230.0040.00823.96
8.1.220.0040.00417.74
8.1.210.0040.00418.92
8.1.200.0060.00317.23
8.1.190.0080.00017.00
8.1.180.0050.00318.10
8.1.170.0050.00318.59
8.1.160.0000.00821.93
8.1.150.0000.00718.47
8.1.140.0040.00417.39
8.1.130.0000.00717.69
8.1.120.0030.00317.33
8.1.110.0040.00417.36
8.1.100.0000.00817.34
8.1.90.0000.00717.27
8.1.80.0020.00517.36
8.1.70.0030.00317.29
8.1.60.0040.00417.36
8.1.50.0000.00817.44
8.1.40.0040.00417.31
8.1.30.0040.00417.55
8.1.20.0040.00417.50
8.1.10.0040.00417.45
8.1.00.0030.00617.35
8.0.300.0040.00419.92
8.0.290.0090.00016.58
8.0.280.0000.00718.21
8.0.270.0030.00317.10
8.0.260.0070.00017.02
8.0.250.0070.00016.88
8.0.240.0000.00716.86
8.0.230.0040.00416.77
8.0.220.0000.00716.77
8.0.210.0070.00016.68
8.0.200.0030.00616.85
8.0.190.0030.00316.85
8.0.180.0030.00316.77
8.0.170.0040.00416.72
8.0.160.0000.00816.83
8.0.150.0000.00716.65
8.0.140.0040.00316.70
8.0.130.0000.00613.28
8.0.120.0040.00416.78
8.0.110.0070.00016.81
8.0.100.0030.00316.64
8.0.90.0000.00716.74
8.0.80.0060.00916.83
8.0.70.0070.00016.69
8.0.60.0050.00316.56
8.0.50.0050.00316.68
8.0.30.0110.01216.99
8.0.20.0100.01117.40
8.0.10.0070.00016.80
8.0.00.0050.01616.49
7.4.330.0000.00515.00
7.4.320.0000.00616.49
7.4.300.0040.00416.38
7.4.290.0030.00316.47
7.4.280.0030.00316.48
7.4.270.0040.00416.41
7.4.260.0040.00416.46
7.4.250.0040.00416.29
7.4.240.0000.00716.48
7.4.230.0040.00416.54
7.4.220.0030.01416.34
7.4.210.0070.01016.47
7.4.200.0030.00316.41
7.4.190.0000.00716.55
7.4.160.0070.01016.30
7.4.150.0130.00317.40
7.4.140.0150.01017.86
7.4.130.0100.00816.33
7.4.120.0080.00816.31
7.4.110.0140.00316.27
7.4.100.0170.00016.27
7.4.90.0080.01016.38
7.4.80.0090.00919.39
7.4.70.0110.00716.31
7.4.60.0070.01016.41
7.4.50.0040.00416.51
7.4.40.0140.01016.54
7.4.30.0110.00716.03
7.4.00.0020.01414.95
7.3.330.0000.00513.08
7.3.320.0000.00712.88
7.3.310.0040.00416.02
7.3.300.0060.00016.10
7.3.290.0100.00316.23
7.3.280.0100.00616.18
7.3.270.0110.01117.40
7.3.260.0100.00716.33
7.3.250.0070.01016.29
7.3.240.0120.00616.15
7.3.230.0060.01016.39
7.3.210.0100.01016.48
7.3.200.0130.01019.39
7.3.190.0080.00816.36
7.3.180.0120.00616.29
7.3.170.0100.01016.50
7.3.160.0160.00316.40
7.3.120.0020.01514.57
7.3.110.0060.01014.62
7.3.100.0120.00614.79
7.3.90.0000.01214.43
7.3.80.0060.01314.73
7.3.70.0060.01014.46
7.3.60.0100.00714.41
7.3.50.0000.01214.67
7.3.40.0070.01014.67
7.3.30.0070.00714.64
7.3.20.0090.00616.46
7.3.10.0070.00716.36
7.3.00.0080.00816.38
7.2.330.0130.00616.40
7.2.320.0100.01116.53
7.2.310.0070.01616.27
7.2.300.0160.00916.26
7.2.290.0070.01416.19
7.2.250.0000.01614.71
7.2.240.0000.01914.88
7.2.230.0080.01114.72
7.2.220.0070.00314.69
7.2.210.0080.00414.86
7.2.200.0090.00614.68
7.2.190.0040.01114.50
7.2.180.0030.01414.42
7.2.170.0070.00714.70
7.2.00.0070.01019.08
7.1.330.0030.01315.71
7.1.320.0030.01015.83
7.1.310.0120.00315.51
7.1.300.0030.01515.50
7.1.290.0080.00515.41
7.1.280.0000.00915.44
7.1.270.0090.00015.68
7.1.260.0090.00615.77
7.1.100.0040.00817.57
7.1.70.0040.01116.74
7.1.60.0070.01719.70
7.1.50.0070.01516.84
7.1.00.0100.07322.32
7.0.200.0200.00316.31
7.0.140.0070.07021.92
7.0.60.0130.06019.89
7.0.50.0070.06017.80
7.0.40.0000.04720.04
7.0.30.0100.04720.09
7.0.20.0200.08320.18
7.0.10.0070.06320.13
7.0.00.0070.07020.11
5.6.280.0030.07721.07
5.6.210.0000.04320.66
5.6.200.0200.07318.23
5.6.190.0030.04020.41
5.6.180.0670.07020.57
5.6.170.0130.08720.51
5.6.160.0070.05020.41
5.6.150.0030.05318.20
5.6.140.0100.07318.21
5.6.130.0070.05718.11
5.6.120.0130.04321.14
5.6.110.0100.08021.02
5.6.100.0130.06021.04
5.6.90.0130.08021.09
5.6.80.0100.07720.38
5.5.350.4330.04720.42
5.5.340.0100.06017.95
5.5.330.0030.06020.12
5.5.320.0270.08020.27
5.5.310.0330.08020.21
5.5.300.0070.04317.91
5.5.290.0070.08717.87
5.5.280.0100.05320.87
5.5.270.0030.07720.89
5.5.260.0070.08720.88
5.5.250.0030.05720.69
5.5.240.0070.03020.15
5.4.450.0170.04719.46
5.4.440.0200.04719.42
5.4.430.0230.03319.10
5.4.420.0330.03319.53
5.4.410.0200.04719.29
5.4.400.0400.04019.13
5.4.390.0270.05018.78
5.4.380.0200.06718.49
5.4.370.0330.05018.44
5.4.360.0330.04718.69
5.4.350.0300.05718.68
5.4.340.0300.05018.77
5.4.320.0100.04112.46
5.4.310.0040.03912.45
5.4.300.0060.04512.46
5.4.290.0080.04612.45
5.4.280.0060.04412.35
5.4.270.0070.03512.35
5.4.260.0060.03812.35
5.4.250.0040.04012.35
5.4.240.0110.05512.35
5.4.230.0050.03912.34
5.4.220.0070.03512.34
5.4.210.0060.03612.34
5.4.200.0010.04312.34
5.4.190.0120.02912.34
5.4.180.0030.04012.34
5.4.170.0050.04412.35
5.4.160.0080.03812.35
5.4.150.0100.03412.34
5.4.140.0080.03912.02
5.4.130.0090.04812.02
5.4.120.0120.04711.97
5.4.110.0120.03211.97
5.4.100.0130.04311.97
5.4.90.0180.05911.96
5.4.80.0050.05511.96
5.4.70.0080.06311.96
5.4.60.0060.04111.96
5.4.50.0100.04011.96
5.4.40.0180.05411.95
5.4.30.0030.03811.95
5.4.20.0060.03511.95
5.4.10.0060.03511.95
5.4.00.0030.03811.44
5.3.290.0070.04912.80
5.3.280.0120.03712.71
5.3.270.0080.04312.73
5.3.260.0090.05112.72
5.3.250.0130.03612.72
5.3.240.0080.03812.72
5.3.230.0080.03812.71
5.3.220.0060.03912.68
5.3.210.0080.04112.68
5.3.200.0120.05012.68
5.3.190.0070.04212.68
5.3.180.0070.03712.68
5.3.170.0080.04912.67
5.3.160.0070.04012.67
5.3.150.0070.04212.68
5.3.140.0040.04112.66
5.3.130.0070.04112.66
5.3.120.0080.05312.66
5.3.110.0070.04012.65
5.3.100.0070.03812.12
5.3.90.0020.04012.08
5.3.80.0050.03712.07
5.3.70.0070.03512.08
5.3.60.0060.03812.07
5.3.50.0080.04212.00
5.3.40.0080.04612.00
5.3.30.0070.04011.94
5.3.20.0050.03711.72
5.3.10.0070.03411.69
5.3.00.0080.03611.67
5.2.170.0050.0419.18
5.2.160.0080.0329.18
5.2.150.0070.0309.18
5.2.140.0040.0329.17
5.2.130.0070.0279.13
5.2.120.0040.0369.14
5.2.110.0050.0299.14
5.2.100.0030.0319.14
5.2.90.0010.0359.14
5.2.80.0030.0319.14
5.2.70.0050.0309.13
5.2.60.0070.0289.08
5.2.50.0050.0309.05
5.2.40.0070.0269.03
5.2.30.0060.0319.01
5.2.20.0110.0279.00
5.2.10.0040.0398.93
5.2.00.0060.0308.80
5.1.60.0050.0248.07
5.1.50.0070.0338.07
5.1.40.0060.0428.05
5.1.30.0070.0398.41
5.1.20.0050.0328.43
5.1.10.0030.0288.15
5.1.00.0060.0248.15
5.0.50.0030.0216.63
5.0.40.0020.0226.48
5.0.30.0040.0356.30
5.0.20.0070.0246.27
5.0.10.0050.0276.25
5.0.00.0050.0376.24
4.4.90.0040.0224.78
4.4.80.0020.0234.76
4.4.70.0020.0164.76
4.4.60.0070.0114.76
4.4.50.0050.0134.77
4.4.40.0050.0234.70
4.4.30.0050.0164.76
4.4.20.0040.0224.84
4.4.10.0070.0204.85
4.4.00.0040.0274.75
4.3.110.0030.0164.67
4.3.100.0020.0164.66
4.3.90.0030.0174.63
4.3.80.0070.0284.58
4.3.70.0130.0424.63
4.3.60.0050.0214.63
4.3.50.0040.0224.63
4.3.40.0050.0324.54
4.3.30.0060.0423.29
4.3.20.0050.0243.27
4.3.10.0050.0143.23
4.3.00.0070.02311.24

preferences:
35.29 ms | 401 KiB | 5 Q