3v4l.org

run code in 300+ PHP versions simultaneously
<?php $body = "I love My Dog. I love My cat. What a cat."; $count = my_substr_count($body, "My cat"); function my_substr_count( $body, $needle) { $count = [ $needle => substr_count( $body) ]; return $count; } print_r( $count);

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)
8.3.70.0070.00716.63
8.3.60.0110.00416.88
8.3.50.0160.00722.91
8.3.40.0110.01119.00
8.3.30.0040.01119.05
8.3.20.0080.00020.33
8.3.10.0110.00423.65
8.3.00.0150.00417.50
8.2.180.0090.00916.88
8.2.170.0070.01122.96
8.2.160.0090.01220.45
8.2.150.0070.01124.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.04
8.2.110.0030.00720.39
8.2.100.0040.00817.84
8.2.90.0050.00319.23
8.2.80.0090.00017.97
8.2.70.0060.00317.63
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0030.00518.03
8.2.30.0000.00717.87
8.2.20.0080.00017.55
8.2.10.0070.00017.87
8.2.00.0040.00417.59
8.1.280.0100.01025.92
8.1.270.0040.00423.91
8.1.260.0040.00426.35
8.1.250.0090.00928.09
8.1.240.0030.00622.05
8.1.230.0060.00617.45
8.1.220.0090.00017.74
8.1.210.0030.00518.77
8.1.200.0060.00317.25
8.1.190.0000.00817.35
8.1.180.0000.00918.10
8.1.170.0080.00018.59
8.1.160.0060.00321.89
8.1.150.0080.00018.88
8.1.140.0070.00017.45
8.1.130.0000.00717.86
8.1.120.0040.00417.31
8.1.110.0040.00417.43
8.1.100.0030.00317.22
8.1.90.0000.00817.41
8.1.80.0040.00417.34
8.1.70.0000.00717.28
8.1.60.0080.00017.55
8.1.50.0060.00317.59
8.1.40.0000.00817.47
8.1.30.0030.00617.65
8.1.20.0030.00517.62
8.1.10.0060.00317.57
8.1.00.0000.00817.52
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.27
8.0.270.0000.00817.20
8.0.260.0030.00317.12
8.0.250.0070.00016.87
8.0.240.0030.00316.87
8.0.230.0000.00716.89
8.0.220.0030.00316.88
8.0.210.0000.00716.92
8.0.200.0030.00316.84
8.0.190.0030.00316.84
8.0.180.0030.00516.93
8.0.170.0000.00716.84
8.0.160.0070.00016.78
8.0.150.0040.00416.84
8.0.140.0040.00416.84
8.0.130.0000.00713.41
8.0.120.0000.00816.93
8.0.110.0000.00716.90
8.0.100.0040.00416.83
8.0.90.0070.00016.85
8.0.80.0130.00316.93
8.0.70.0080.00016.77
8.0.60.0040.00416.83
8.0.50.0000.00716.85
8.0.30.0120.01116.88
8.0.20.0120.00717.40
8.0.10.0000.00716.93
8.0.00.0130.00516.68
7.4.330.0030.00315.02
7.4.320.0030.00316.54
7.4.300.0070.00016.44
7.4.290.0040.00416.52
7.4.280.0070.00016.60
7.4.270.0030.00316.60
7.4.260.0030.00316.47
7.4.250.0070.00016.55
7.4.240.0070.00016.56
7.4.230.0040.00416.68
7.4.220.0110.00716.44
7.4.210.0090.00616.52
7.4.200.0030.00316.61
7.4.160.0030.01316.42
7.4.150.0090.01817.40
7.4.140.0090.00917.86
7.4.130.0130.00516.56
7.4.120.0080.00816.40
7.4.110.0000.01516.56
7.4.100.0120.00616.48
7.4.90.0070.01016.66
7.4.80.0070.01119.39
7.4.70.0120.00616.51
7.4.60.0040.01416.61
7.4.50.0000.00816.35
7.4.40.0030.01316.52
7.4.30.0090.01516.57
7.4.00.0080.00814.84
7.3.330.0000.00513.19
7.3.320.0000.00513.18
7.3.310.0000.00716.32
7.3.300.0030.00316.37
7.3.290.0060.00916.38
7.3.280.0100.00816.31
7.3.270.0160.00317.40
7.3.260.0130.00316.32
7.3.250.0080.00816.44
7.3.240.0140.00316.54
7.3.230.0090.00916.62
7.3.210.0100.00716.32
7.3.200.0070.01319.39
7.3.190.0090.00916.66
7.3.180.0060.00916.23
7.3.170.0040.01716.45
7.3.160.0040.01216.50
7.3.120.0090.00614.88
7.3.110.0000.01414.99
7.3.100.0120.00415.05
7.3.90.0060.01114.80
7.3.80.0090.00614.78
7.3.70.0110.00414.65
7.3.60.0030.01014.86
7.3.50.0030.01314.84
7.3.40.0100.00614.76
7.3.30.0060.01014.80
7.3.20.0040.01216.76
7.3.10.0030.00716.29
7.3.00.0080.00316.45
7.2.330.0110.01216.48
7.2.320.0120.01216.23
7.2.310.0120.00416.70
7.2.300.0090.00916.63
7.2.290.0060.00916.53
7.2.240.0090.00914.96
7.2.230.0030.01315.19
7.2.220.0030.00614.99
7.2.210.0110.00414.98
7.2.200.0040.00814.71
7.2.190.0040.01214.62
7.2.180.0080.00414.84
7.2.170.0100.00714.87
7.2.160.0030.01015.14
7.2.150.0060.00616.80
7.2.140.0180.00016.89
7.2.130.0100.00716.76
7.2.120.0070.00416.86
7.2.110.0130.00316.88
7.2.100.0040.01116.82
7.2.90.0060.00616.59
7.2.80.0110.00316.67
7.2.70.0100.00716.76
7.2.60.0060.00616.97
7.2.50.0130.00317.02
7.2.40.0000.01316.61
7.2.30.0030.01417.11
7.2.20.0110.00416.65
7.2.10.0000.01217.07
7.2.00.0060.00916.86
7.1.330.0100.00615.99
7.1.320.0030.01015.50
7.1.310.0040.01215.65
7.1.300.0040.01115.54
7.1.290.0040.01115.72
7.1.280.0090.00315.69
7.1.270.0040.01215.88
7.1.260.0080.00416.01
7.1.250.0030.01015.83
7.1.200.0130.00315.59
7.1.70.0030.00517.15
7.1.60.0140.01019.40
7.1.50.0090.01316.82
7.1.00.0030.07322.33
7.0.200.0250.00316.77
7.0.140.0070.07322.18
7.0.60.0070.07719.87
7.0.50.0030.08317.72
7.0.40.0070.04020.31
7.0.30.0370.07320.30
7.0.20.0300.07020.06
7.0.10.0030.04720.31
7.0.00.0170.07720.14
5.6.280.0100.06721.04
5.6.210.0070.03320.61
5.6.200.0070.03718.29
5.6.190.0030.04320.62
5.6.180.0200.05720.61
5.6.170.0000.05720.62
5.6.160.0070.08020.71
5.6.150.0070.08318.18
5.6.140.0030.04018.18
5.6.130.0070.05018.15
5.6.120.0070.04720.98
5.6.110.0070.09021.13
5.6.100.0070.04320.89
5.6.90.0070.08320.99
5.6.80.0130.07720.36
5.5.350.0330.07320.43
5.5.340.0100.07318.09
5.5.330.0130.07720.38
5.5.320.0230.04720.36
5.5.310.0400.08020.37
5.5.300.0130.07317.94
5.5.290.0070.04717.94
5.5.280.0070.04020.68
5.5.270.0100.05720.72
5.5.260.0070.07320.77
5.5.250.0070.06320.79
5.5.240.0100.07020.05
5.4.450.0770.05719.17
5.4.440.0530.06019.37
5.4.430.0870.05719.29
5.4.420.0830.05319.36
5.4.410.0800.05019.37
5.4.400.0630.05319.20
5.4.390.0670.05319.13
5.4.380.0100.05718.79
5.4.370.0130.04018.69
5.4.360.0170.03318.77
5.4.350.0150.05012.02
5.4.340.0070.03612.02
5.4.320.0060.04112.51
5.4.310.0030.04312.50
5.4.300.0050.03812.50
5.4.290.0090.03612.50
5.4.280.0070.03512.40
5.4.270.0100.03212.40
5.4.260.0100.03412.40
5.4.250.0090.03412.40
5.4.240.0090.03312.40
5.4.230.0060.03712.39
5.4.220.0070.03512.39
5.4.210.0110.03212.39
5.4.200.0040.04112.39
5.4.190.0080.03512.39
5.4.180.0040.03912.39
5.4.170.0050.04112.39
5.4.160.0070.03512.39
5.4.150.0100.03312.39
5.4.140.0050.04412.07
5.4.130.0120.03012.05
5.4.120.0060.03512.02
5.4.110.0040.03912.01
5.4.100.0050.03712.01
5.4.90.0040.03912.01
5.4.80.0050.03712.01
5.4.70.0080.03212.01
5.4.60.0060.03512.01
5.4.50.0080.03512.01
5.4.40.0100.03112.00
5.4.30.0070.03412.00
5.4.20.0040.03811.99
5.4.10.0050.03511.99
5.4.00.0070.03411.48
5.3.290.0050.04112.80
5.3.280.0050.04012.71
5.3.270.0100.03512.73
5.3.260.0080.04012.72
5.3.250.0060.03812.72
5.3.240.0110.03412.72
5.3.230.0100.03712.70
5.3.220.0070.03812.68
5.3.210.0040.04112.68
5.3.200.0070.03912.68
5.3.190.0060.04012.68
5.3.180.0030.03812.67
5.3.170.0060.03512.67
5.3.160.0060.03512.68
5.3.150.0050.04312.67
5.3.140.0040.03912.66
5.3.130.0050.04012.66
5.3.120.0090.03512.66
5.3.110.0050.03812.66
5.3.100.0050.04512.12
5.3.90.0090.03812.10
5.3.80.0110.03012.10
5.3.70.0050.03712.10
5.3.60.0050.03812.08
5.3.50.0030.04112.02
5.3.40.0070.03412.02
5.3.30.0060.03411.98
5.3.20.0070.04011.76
5.3.10.0080.03211.73
5.3.00.0080.03511.72
5.2.170.0040.0319.21
5.2.160.0050.0299.21
5.2.150.0020.0339.21
5.2.140.0040.0309.21
5.2.130.0050.0319.17
5.2.120.0050.0329.17
5.2.110.0050.0309.18
5.2.100.0040.0409.18
5.2.90.0050.0339.18
5.2.80.0050.0319.17
5.2.70.0060.0299.17
5.2.60.0010.0339.13
5.2.50.0060.0299.10
5.2.40.0010.0329.07
5.2.30.0050.0299.05
5.2.20.0070.0269.04
5.2.10.0090.0248.95
5.2.00.0040.0308.80
5.1.60.0040.0258.09
5.1.50.0080.0218.09
5.1.40.0030.0268.07
5.1.30.0050.0258.42
5.1.20.0100.0228.44
5.1.10.0090.0218.16
5.1.00.0100.0278.17
5.0.50.0100.0196.64
5.0.40.0070.0186.51
5.0.30.0060.0316.31
5.0.20.0100.0146.28
5.0.10.0080.0176.26
5.0.00.0080.0286.26
4.4.90.0100.0124.78
4.4.80.0020.0174.76
4.4.70.0040.0154.75
4.4.60.0030.0184.76
4.4.50.0070.0124.77
4.4.40.0020.0264.71
4.4.30.0050.0164.76
4.4.20.0070.0144.84
4.4.10.0030.0174.85
4.4.00.0040.0264.76
4.3.110.0020.0164.67
4.3.100.0040.0144.66
4.3.90.0040.0144.63
4.3.80.0030.0264.58
4.3.70.0010.0174.63
4.3.60.0060.0114.63
4.3.50.0030.0154.63
4.3.40.0050.0224.54
4.3.30.0010.0173.30
4.3.20.0020.0163.27
4.3.10.0020.0163.25
4.3.00.0200.0177.21

preferences:
49.32 ms | 401 KiB | 5 Q