3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Positive numbers: $a=substr("tag1,tag10,tag11,tag13,tag15,tag17,tag19,tag20,tag4,tag9,tag8,tag7,tag6,tag5,tag3,tag2,tag18,tag16,tag14,tag12",0,4); echo $a; echo preg_replace("/tag/","",substr("tag1,tag10,tag11,tag13,tag15,tag17,tag19,tag20,tag4,tag9,tag8,tag7,tag6,tag5,tag3,tag2,tag18",5)); ?>

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)
8.3.60.0110.00318.55
8.3.50.0100.01021.93
8.3.40.0140.00718.82
8.3.30.0000.01418.93
8.3.20.0040.00420.16
8.3.10.0090.00023.54
8.3.00.0040.00419.38
8.2.180.0070.00716.63
8.2.170.0110.00722.96
8.2.160.0090.00420.16
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00022.27
8.2.110.0070.00319.27
8.2.100.0090.00318.03
8.2.90.0050.00319.08
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0060.00319.95
8.2.30.0040.00418.16
8.2.20.0000.00817.80
8.2.10.0040.00418.01
8.2.00.0000.00817.84
8.1.280.0120.00625.92
8.1.270.0030.00523.96
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0150.00322.11
8.1.230.0090.00318.96
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00517.35
8.1.180.0080.00019.01
8.1.170.0040.00418.54
8.1.160.0000.00721.86
8.1.150.0000.00718.61
8.1.140.0040.00417.48
8.1.130.0080.00017.85
8.1.120.0030.00317.46
8.1.110.0000.00817.59
8.1.100.0050.00317.55
8.1.90.0040.00417.46
8.1.80.0000.00717.63
8.1.70.0000.00717.45
8.1.60.0050.00317.61
8.1.50.0060.00317.57
8.1.40.0050.00317.65
8.1.30.0000.00817.66
8.1.20.0040.00417.75
8.1.10.0040.00417.66
8.1.00.0000.00717.57
8.0.300.0060.00318.77
8.0.290.0040.00417.18
8.0.280.0030.00318.35
8.0.270.0030.00317.25
8.0.260.0060.00017.30
8.0.250.0000.00717.11
8.0.240.0050.00217.20
8.0.230.0070.00016.98
8.0.220.0070.00016.96
8.0.210.0070.00016.97
8.0.200.0000.00717.05
8.0.190.0000.00717.00
8.0.180.0030.00516.98
8.0.170.0040.00417.05
8.0.160.0050.00216.97
8.0.150.0000.00716.95
8.0.140.0030.00616.90
8.0.130.0080.00013.45
8.0.120.0000.00816.92
8.0.110.0040.00417.05
8.0.100.0040.00416.89
8.0.90.0000.00716.97
8.0.80.0120.00917.00
8.0.70.0040.00416.91
8.0.60.0000.00716.86
8.0.50.0000.00716.94
8.0.30.0120.01117.19
8.0.20.0110.00717.40
8.0.10.0040.00416.99
8.0.00.0090.01016.80
7.4.330.0050.00015.16
7.4.320.0030.00316.69
7.4.300.0000.00616.80
7.4.290.0070.00316.61
7.4.280.0040.00416.80
7.4.270.0000.00816.68
7.4.260.0000.00716.69
7.4.250.0040.00416.73
7.4.240.0040.00416.77
7.4.230.0070.00016.84
7.4.220.0140.00416.86
7.4.210.0070.00916.76
7.4.200.0000.00716.47
7.4.190.0030.00316.65
7.4.160.0130.00716.34
7.4.150.0080.01117.40
7.4.140.0110.00717.86
7.4.130.0110.00616.49
7.4.120.0130.00316.67
7.4.110.0140.00716.68
7.4.100.0150.00916.35
7.4.90.0090.00916.64
7.4.80.0140.00819.39
7.4.70.0170.00316.77
7.4.60.0070.01116.38
7.4.50.0000.00416.64
7.4.40.0100.00616.70
7.4.30.0030.01216.84
7.4.00.0050.01214.99
7.3.330.0000.00613.10
7.3.320.0000.00813.19
7.3.310.0040.00416.40
7.3.300.0080.00016.36
7.3.290.0030.01316.42
7.3.280.0080.00916.35
7.3.270.0060.01017.40
7.3.260.0120.00916.64
7.3.250.0110.00716.50
7.3.240.0130.00716.53
7.3.230.0160.00016.70
7.3.210.0090.00916.80
7.3.200.0140.01119.39
7.3.190.0080.00816.38
7.3.180.0160.00016.37
7.3.170.0060.01016.38
7.3.160.0070.01016.44
7.3.120.0080.01014.80
7.3.110.0040.01515.18
7.3.100.0030.00715.00
7.3.90.0040.01215.11
7.3.80.0110.00715.05
7.3.70.0050.00514.84
7.3.60.0090.00614.99
7.3.50.0030.00615.02
7.3.40.0060.00614.73
7.3.30.0090.00315.02
7.3.20.0040.00716.45
7.3.10.0090.00616.87
7.3.00.0060.00916.69
7.2.330.0130.00516.75
7.2.320.0160.00816.81
7.2.310.0180.00416.71
7.2.300.0070.01016.71
7.2.290.0120.00616.84
7.2.250.0000.01615.16
7.2.240.0040.01515.09
7.2.230.0090.00915.02
7.2.220.0070.00714.96
7.2.210.0100.00715.01
7.2.200.0070.00715.25
7.2.190.0070.00714.91
7.2.180.0040.00815.02
7.2.170.0080.00415.11
7.2.00.0060.00319.59
7.1.330.0080.00815.96
7.1.320.0000.01215.84
7.1.310.0100.00315.87
7.1.300.0070.00315.90
7.1.290.0040.01116.09
7.1.280.0040.01115.63
7.1.270.0030.00915.75
7.1.260.0000.01515.94
7.1.100.0030.01018.26
7.1.70.0000.01417.27
7.1.60.0040.01119.46
7.1.50.0110.00717.16
7.1.00.0030.07722.45
7.0.200.0030.00516.96
7.0.140.0100.06722.11
7.0.60.0000.04319.77
7.0.50.0100.08017.82
7.0.40.0130.08320.22
7.0.30.0230.04320.18
7.0.20.0100.04720.10
7.0.10.0100.08320.03
7.0.00.0200.07720.17
5.6.280.0000.07720.85
5.6.210.0100.08020.50
5.6.200.0100.08018.16
5.6.190.0100.07720.64
5.6.180.0070.04720.77
5.6.170.0230.04020.63
5.6.160.0030.08720.37
5.6.150.0030.08718.21
5.6.140.0070.08018.15
5.6.130.0200.03318.18
5.6.120.0070.08021.11
5.6.110.0030.08320.88
5.6.100.0030.04020.88
5.6.90.0000.04320.99
5.6.80.0030.03720.48
5.6.70.3030.04020.37
5.5.350.0230.08320.36
5.5.340.0100.04017.93
5.5.330.0070.05720.29
5.5.320.0170.04320.31
5.5.310.0300.04320.29
5.5.300.0130.07318.02
5.5.290.0130.07317.98
5.5.280.0100.08320.68
5.5.270.0270.03020.88
5.5.260.0170.07320.86
5.5.250.0070.04020.54
5.5.240.0230.06320.28
5.4.450.0270.05319.49
5.4.440.0330.06319.58
5.4.430.0370.05319.41
5.4.420.0400.06019.59
5.4.410.0300.05019.35
5.4.400.0230.06019.16
5.4.390.0400.04019.16
5.4.380.0430.03718.78
5.4.370.0200.06718.56
5.4.360.0300.05718.67
5.4.350.0470.04018.53
5.4.340.0230.05718.57
5.4.320.0080.04712.45
5.4.310.0050.04512.45
5.4.300.0080.04712.45
5.4.290.0090.05512.45
5.4.280.0070.05112.34
5.4.270.0080.05212.34
5.4.260.0060.05612.34
5.4.250.0090.03712.35
5.4.240.0060.05412.35
5.4.230.0090.06512.34
5.4.220.0120.05412.34
5.4.210.0080.07212.34
5.4.200.0190.07312.34
5.4.190.0120.06112.34
5.4.180.0140.04812.34
5.4.170.0120.03912.34
5.4.160.0090.03512.34
5.4.150.0040.04112.34
5.4.140.0060.04412.02
5.4.130.0040.04212.01
5.4.120.0070.03811.96
5.4.110.0130.06211.96
5.4.100.0200.07311.96
5.4.90.0110.07711.96
5.4.80.0060.06311.96
5.4.70.0090.04111.96
5.4.60.0110.05011.96
5.4.50.0090.04111.96
5.4.40.0080.05311.95
5.4.30.0120.04711.95
5.4.20.0130.05311.95
5.4.10.0150.08411.95
5.4.00.0070.05111.43
5.3.290.0130.04812.80
5.3.280.0100.03912.71
5.3.270.0080.03912.72
5.3.260.0110.05212.72
5.3.250.0090.05012.72
5.3.240.0110.05112.71
5.3.230.0090.04912.71
5.3.220.0160.05012.68
5.3.210.0090.05412.68
5.3.200.0160.04312.68
5.3.190.0090.04012.67
5.3.180.0140.03912.67
5.3.170.0150.06512.67
5.3.160.0120.05312.67
5.3.150.0120.03312.68
5.3.140.0090.05212.66
5.3.130.0140.04312.66
5.3.120.0160.07512.65
5.3.110.0150.06012.66
5.3.100.0140.06412.12
5.3.90.0070.05512.08
5.3.80.0120.06312.08
5.3.70.0140.04312.07
5.3.60.0080.03612.06
5.3.50.0080.03712.00
5.3.40.0070.05512.00
5.3.30.0100.09911.96
5.3.20.0080.05411.73
5.3.10.0110.04211.70
5.3.00.0080.05211.69
5.2.170.0210.0709.19
5.2.160.0160.0649.19
5.2.150.0080.0369.19
5.2.140.0080.0379.19
5.2.130.0110.0489.15
5.2.120.0080.0419.15
5.2.110.0200.0589.16
5.2.100.0090.0399.15
5.2.90.0100.0479.15
5.2.80.0080.0419.15
5.2.70.0120.0459.14
5.2.60.0100.0349.10
5.2.50.0070.0309.07
5.2.40.0030.0349.05
5.2.30.0030.0349.02
5.2.20.0070.0309.01
5.2.10.0060.0318.92
5.2.00.0080.0278.78
5.1.60.0060.0238.06
5.1.50.0040.0268.05
5.1.40.0050.0248.04
5.1.30.0110.0348.39
5.1.20.0100.0338.41
5.1.10.0060.0358.14
5.1.00.0050.0348.14
5.0.50.0040.0226.61
5.0.40.0030.0216.47
5.0.30.0080.0406.29
5.0.20.0030.0236.25
5.0.10.0070.0266.24
5.0.00.0050.0416.23
4.4.90.0060.0244.78
4.4.80.0010.0204.76
4.4.70.0050.0214.75
4.4.60.0010.0244.76
4.4.50.0070.0274.77
4.4.40.0060.0484.70
4.4.30.0040.0214.75
4.4.20.0110.0374.84
4.4.10.0140.0374.85
4.4.00.0050.0304.76
4.3.110.0040.0234.67
4.3.100.0040.0174.66
4.3.90.0060.0174.63
4.3.80.0070.0414.58
4.3.70.0040.0144.63
4.3.60.0040.0214.62
4.3.50.0060.0324.62
4.3.40.0070.0444.54
4.3.30.0090.0243.28
4.3.20.0160.0313.26
4.3.10.0060.0383.21
4.3.00.0030.0238.93

preferences:
45.27 ms | 400 KiB | 5 Q