3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = array( 'useless' => 42, 'useful' => 'orange', 'useless_too' => 'banana', 'useful_too' => 'apples'); foreach ($row as $key1=>$value){ $pos = strpos($key1,'useful'); echo $pos; }

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)
8.3.60.0090.00618.18
8.3.50.0110.00721.14
8.3.40.0100.00718.74
8.3.30.0100.00320.21
8.3.20.0070.00020.20
8.3.10.0040.00422.04
8.3.00.0050.00322.54
8.2.180.0150.00316.50
8.2.170.0040.01122.96
8.2.160.0000.01422.26
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00420.47
8.2.110.0090.00019.40
8.2.100.0080.00417.77
8.2.90.0070.00019.27
8.2.80.0050.00318.03
8.2.70.0040.00417.50
8.2.60.0060.00317.79
8.2.50.0000.00818.07
8.2.40.0030.00518.15
8.2.30.0000.00719.45
8.2.20.0050.00217.73
8.2.10.0060.00317.61
8.2.00.0070.00017.74
8.1.280.0070.00725.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00822.42
8.1.230.0080.00321.03
8.1.220.0050.00318.77
8.1.210.0040.00419.10
8.1.200.0060.00317.35
8.1.190.0000.00817.53
8.1.180.0060.00318.10
8.1.170.0040.00418.65
8.1.160.0000.00718.88
8.1.150.0040.00418.66
8.1.140.0000.00717.39
8.1.130.0000.01017.81
8.1.120.0000.00717.50
8.1.110.0000.00717.43
8.1.100.0050.00217.46
8.1.90.0030.00617.31
8.1.80.0040.00317.31
8.1.70.0070.00017.42
8.1.60.0050.00517.52
8.1.50.0000.00717.51
8.1.40.0090.00317.39
8.1.30.0040.00417.63
8.1.20.0080.00017.55
8.1.10.0060.00317.39
8.1.00.0040.00417.32
8.0.300.0070.00020.08
8.0.290.0030.00517.15
8.0.280.0000.00718.39
8.0.270.0070.00017.24
8.0.260.0000.00816.74
8.0.250.0030.00616.88
8.0.240.0000.01016.96
8.0.230.0030.00516.93
8.0.220.0000.00716.79
8.0.210.0070.00016.72
8.0.200.0030.00316.98
8.0.190.0000.00716.95
8.0.180.0070.00016.81
8.0.170.0000.00716.91
8.0.160.0000.00716.74
8.0.150.0000.00716.85
8.0.140.0000.01016.87
8.0.130.0030.00313.27
8.0.120.0040.00416.79
8.0.110.0040.00416.91
8.0.100.0030.00516.68
8.0.90.0000.00716.69
8.0.80.0040.01116.93
8.0.70.0000.00716.91
8.0.60.0020.00516.90
8.0.50.0000.00716.95
8.0.30.0160.00516.97
8.0.20.0090.00917.40
8.0.10.0040.00416.95
8.0.00.0090.01116.88
7.4.330.0000.00616.85
7.4.320.0030.00316.61
7.4.300.0000.00716.58
7.4.290.0040.00416.50
7.4.280.0070.00016.50
7.4.270.0070.00016.51
7.4.260.0030.00313.28
7.4.250.0000.00816.47
7.4.240.0040.00416.50
7.4.230.0030.00316.64
7.4.220.0140.00416.63
7.4.210.0050.01116.53
7.4.200.0070.00016.47
7.4.190.0050.00316.74
7.4.160.0100.00716.40
7.4.150.0030.01417.40
7.4.140.0100.00717.86
7.4.130.0080.00816.51
7.4.120.0100.00616.57
7.4.110.0080.00816.41
7.4.100.0160.00016.29
7.4.90.0110.00716.39
7.4.80.0070.01019.39
7.4.70.0060.01016.36
7.4.60.0100.00616.47
7.4.50.0040.00416.21
7.4.40.0090.00622.77
7.4.30.0100.00716.48
7.4.00.0120.00315.08
7.3.330.0000.00513.20
7.3.320.0050.00013.18
7.3.310.0040.00416.21
7.3.300.0030.00316.29
7.3.290.0110.00316.27
7.3.280.0100.01116.25
7.3.270.0120.00617.40
7.3.260.0190.00018.24
7.3.250.0090.01416.48
7.3.240.0130.00316.55
7.3.230.0030.01316.39
7.3.210.0160.00016.41
7.3.200.0130.01019.39
7.3.190.0100.00716.25
7.3.180.0120.00916.27
7.3.170.0040.01116.27
7.3.160.0100.00716.33
7.3.120.0110.00314.82
7.3.110.0060.00614.57
7.3.100.0040.00814.70
7.3.90.0030.01014.63
7.3.80.0060.00314.80
7.3.70.0080.00814.80
7.3.60.0040.00714.69
7.3.50.0100.00314.53
7.3.40.0000.01014.76
7.3.30.0110.00414.95
7.3.20.0070.01016.63
7.3.10.0030.01016.63
7.3.00.0060.01016.55
7.2.330.0030.01716.67
7.2.320.0130.00916.62
7.2.310.0130.00316.64
7.2.300.0120.00316.73
7.2.290.0070.01416.71
7.2.240.0030.00914.71
7.2.230.0070.00714.82
7.2.220.0070.00714.99
7.2.210.0070.00715.20
7.2.200.0030.01015.05
7.2.190.0060.00915.18
7.2.180.0080.00814.88
7.2.170.0030.01215.00
7.2.160.0000.01215.14
7.2.150.0030.01016.75
7.2.140.0030.00917.06
7.2.130.0100.00316.88
7.2.120.0000.01717.04
7.2.110.0030.01017.01
7.2.100.0090.00616.92
7.2.90.0090.00316.92
7.2.80.0060.01016.63
7.2.70.0140.00016.73
7.2.60.0030.00916.91
7.2.50.0000.01417.03
7.2.40.0040.01216.75
7.2.30.0050.00516.96
7.2.20.0070.00716.79
7.2.10.0100.00316.60
7.2.00.0050.00818.13
7.1.330.0110.00015.70
7.1.320.0030.01015.69
7.1.310.0030.00915.77
7.1.300.0060.00316.03
7.1.290.0040.00715.84
7.1.280.0060.00716.04
7.1.270.0040.00715.75
7.1.260.0000.01215.83
7.1.250.0090.00315.62
7.1.100.0060.00618.18
7.1.70.0040.00416.97
7.1.60.0070.01019.17
7.1.50.0090.01217.05
7.1.00.0030.03322.31
7.0.200.0040.00416.73
7.0.140.0030.07722.00
7.0.100.0330.06019.92
7.0.90.0300.06719.96
7.0.80.0270.04020.12
7.0.70.0230.06019.88
7.0.60.0300.04720.05
7.0.50.0270.05020.26
7.0.40.0030.05320.00
7.0.30.0030.04319.95
7.0.20.0100.05020.10
7.0.10.0200.06320.13
7.0.00.0130.07020.16
5.6.280.0000.09321.14
5.6.250.0030.07020.59
5.6.240.0030.04320.54
5.6.230.0130.05320.65
5.6.220.0030.06720.49
5.6.210.0100.07320.62
5.6.200.0100.04320.95
5.6.190.0230.03721.01
5.6.180.0130.05721.05
5.6.170.0170.04721.17
5.6.160.0100.05021.01
5.6.150.0100.05321.07
5.6.140.0070.04020.95
5.6.130.0230.04021.01
5.6.120.0030.05020.91
5.6.110.0170.04720.99
5.6.100.0070.07021.05
5.6.90.0000.06721.05
5.6.80.0000.04720.39
5.6.70.0070.08320.45
5.6.60.0070.04720.30
5.6.50.0100.05020.45
5.6.40.0100.04720.29
5.6.30.0130.04720.41
5.6.20.0100.07020.34
5.6.10.0200.06720.28
5.6.00.0070.07320.36
5.5.380.0070.04320.40
5.5.370.0130.04320.36
5.5.360.0030.08020.57
5.5.350.0070.04320.46
5.5.340.0100.05020.93
5.5.330.0030.05020.73
5.5.320.0070.06720.92
5.5.310.0070.04020.82
5.5.300.0100.04320.79
5.5.290.0130.07020.76
5.5.280.0070.06020.68
5.5.270.0030.05320.78
5.5.260.0070.08020.89
5.5.250.0100.03720.45
5.5.240.0070.04020.28
5.5.230.0100.04320.15
5.5.220.0100.07020.16
5.5.210.0170.07020.02
5.5.200.0230.03720.25
5.5.190.0070.06020.24
5.5.180.0070.05320.21
5.5.160.0070.05320.11
5.5.150.0000.08019.98
5.5.140.0130.07020.12
5.5.130.0100.07019.98
5.5.120.0070.07020.13
5.5.110.0100.04020.23
5.5.100.0070.07320.15
5.5.90.0070.05720.02
5.5.80.0170.05020.15
5.5.70.0030.04720.08
5.5.60.0200.06020.15
5.5.50.0030.06720.00
5.5.40.0070.06020.04
5.5.30.0070.06020.07
5.5.20.0070.05719.95
5.5.10.0000.04320.10
5.5.00.0070.04720.02
5.4.450.0100.08319.37
5.4.440.0100.08019.45
5.4.430.0100.04319.57
5.4.420.0030.05319.30
5.4.410.0100.05719.01
5.4.400.0030.06018.93
5.4.390.0070.07019.05
5.4.380.0070.07318.92
5.4.370.0000.05319.09
5.4.360.0030.05319.03
5.4.350.0130.05019.09
5.4.340.0100.03719.14
5.4.320.0100.05719.05
5.4.310.0000.05719.02
5.4.300.0030.05719.07
5.4.290.0030.08019.23
5.4.280.0100.06318.94
5.4.270.0000.05019.02
5.4.260.0030.06319.02
5.4.250.0070.05319.04
5.4.240.0070.03719.09
5.4.230.0030.04319.15
5.4.220.0030.06318.89
5.4.210.0070.03719.05
5.4.200.0000.04318.80
5.4.190.0030.06319.18
5.4.180.0130.04018.91
5.4.170.0100.04019.04
5.4.160.0070.04719.12
5.4.150.0030.06019.21
5.4.140.0030.04016.07
5.4.130.0070.03716.29
5.4.120.0070.05316.29
5.4.110.0000.06016.21
5.4.100.0100.05316.23
5.4.90.0070.05716.43
5.4.80.0030.03716.22
5.4.70.0100.04716.30
5.4.60.0070.06316.42
5.4.50.0070.05716.19
5.4.40.0230.04016.34
5.4.30.0170.04016.27
5.4.20.0000.04016.31
5.4.10.0070.03316.27
5.4.00.0030.04015.67
5.3.290.0070.05314.50
5.3.280.0000.06014.58
5.3.270.0000.04714.55
5.3.260.0030.04014.60
5.3.250.0130.03714.57
5.3.240.0070.06314.59
5.3.230.0030.04714.60
5.3.220.0100.04314.56
5.3.210.0070.04714.40
5.3.200.0030.04014.56
5.3.190.0100.04714.55
5.3.180.0030.04314.52
5.3.170.0070.05714.54
5.3.160.0000.05314.54
5.3.150.0070.05714.55
5.3.140.0170.02714.39
5.3.130.0030.04714.48
5.3.120.0000.04714.40
5.3.110.0100.03314.54
5.3.100.0000.04014.03
5.3.90.0030.05013.89
5.3.80.0030.03713.97
5.3.70.0000.04013.78
5.3.60.0070.03313.76
5.3.50.0100.03013.92
5.3.40.0070.03313.93
5.3.30.0030.02713.88
5.3.20.0000.03013.66
5.3.10.0000.03713.63
5.3.00.0000.03013.62
5.2.170.0000.03311.21
5.2.160.0030.03011.10
5.2.150.0030.02711.16
5.2.140.0000.03011.13
5.2.130.0000.03011.08
5.2.120.0070.02711.05
5.2.110.0000.02711.09
5.2.100.0000.02711.09
5.2.90.0000.02711.14
5.2.80.0070.02011.13
5.2.70.0030.02311.01
5.2.60.0000.03010.88
5.2.50.0000.03711.01
5.2.40.0030.02710.98
5.2.30.0000.03010.99
5.2.20.0030.02710.95
5.2.10.0000.03310.80
5.2.00.0030.02710.63
5.1.60.0000.03310.54
5.1.50.0070.01710.54
5.1.40.0000.02310.54
5.1.30.0030.03010.54
5.1.20.0070.02710.54
5.1.10.0000.02710.54
5.1.00.0000.03010.54
5.0.50.0000.02310.54
5.0.40.0000.02010.54
5.0.30.0000.03010.54
5.0.20.0030.01710.54
5.0.10.0000.02010.54
5.0.00.0000.03310.54
4.4.90.0030.01010.54
4.4.80.0030.01010.54
4.4.70.0030.03010.54
4.4.60.0000.02010.54
4.4.50.0000.01310.54
4.4.40.0000.02010.54
4.4.30.0030.02710.54
4.4.20.0030.01310.54
4.4.10.0030.01310.54
4.4.00.0070.02010.54
4.3.110.0000.01710.54
4.3.100.0070.01010.54
4.3.90.0000.01310.54
4.3.80.0000.02310.54
4.3.70.0000.01310.54
4.3.60.0030.01010.54
4.3.50.0000.01310.54
4.3.40.0000.02310.54
4.3.30.0000.01710.54
4.3.20.0000.01710.54
4.3.10.0000.01710.54
4.3.00.0030.01310.54

preferences:
39.54 ms | 401 KiB | 5 Q