3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); $amount = 100; $start = microtime(true); $alreadyOutput = array(); $iterator = $amount; while ($iterator --) { $num = rand(0, $amount); if(in_array($num, $alreadyOutput)){ continue; } $alreadyOutput[] = $num; } echo "in_array: ".(microtime(true) - $start)."ms || "; unset($alreadyOutput); $alreadyOutput = array(); $start2 = microtime(true); $iterator = $amount; while ($iterator --) { $num = rand(0, $amount); if(isset($alreadyOutput[$num])){ continue; } $alreadyOutput[$num] = true; } echo "by key: ".(microtime(true) - $start2)."ms";

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)
7.4.10.0040.01515.11
7.4.00.0070.01115.19
7.3.130.0100.01014.88
7.3.120.0100.00715.05
7.3.110.0090.00814.79
7.3.100.0030.01214.93
7.3.90.0030.01014.74
7.3.80.0060.00514.68
7.3.70.0060.00814.74
7.3.60.0110.00714.91
7.3.50.0060.00814.52
7.3.40.0030.00914.72
7.3.30.0050.01014.90
7.3.20.0070.00716.47
7.3.10.0010.01316.69
7.3.00.0080.00716.61
7.2.260.0110.00715.18
7.2.250.0060.00614.91
7.2.240.0040.01115.06
7.2.230.0070.00715.20
7.2.220.0060.00914.90
7.2.210.0030.00915.14
7.2.200.0070.00715.20
7.2.190.0080.00714.93
7.2.180.0030.01215.10
7.2.170.0070.00915.05
7.2.160.0080.00815.10
7.2.150.0080.00616.88
7.2.140.0090.00816.88
7.2.130.0090.00516.93
7.2.120.0030.01216.99
7.2.110.0040.01116.88
7.2.100.0080.00716.78
7.2.90.0090.00616.80
7.2.80.0070.01016.90
7.2.70.0050.00816.87
7.2.60.0090.00616.85
7.2.50.0090.00716.92
7.2.40.0070.00816.92
7.2.30.0060.00616.83
7.2.20.0080.00616.86
7.2.10.0090.00416.94
7.2.00.0070.00817.44
7.1.330.0070.00715.94
7.1.320.0070.00315.70
7.1.310.0070.00415.84
7.1.300.0060.00815.80
7.1.290.0030.00815.66
7.1.280.0020.01115.67
7.1.270.0090.00615.89
7.1.260.0060.00715.78
7.1.250.0070.00815.75
7.1.240.0110.00615.71
7.1.230.0050.01015.80
7.1.220.0080.00715.86
7.1.210.0110.00615.77
7.1.200.0120.00315.75
7.1.190.0100.00715.80
7.1.180.0040.00915.87
7.1.170.0050.00915.82
7.1.160.0080.00815.64
7.1.150.0080.00815.76
7.1.140.0050.01215.71
7.1.130.0050.00715.90
7.1.120.0080.00715.75
7.1.110.0090.00515.93
7.1.100.0080.00815.75
7.1.90.0090.00515.98
7.1.80.0060.00615.83
7.1.70.0080.00716.23
7.1.60.0090.00816.94
7.1.50.0100.00615.98
7.1.40.0080.00915.81
7.1.30.0090.00515.68
7.1.20.0110.00315.52
7.1.10.0090.00515.66
7.1.00.0090.03117.72
7.0.330.0120.00515.15
7.0.320.0070.00815.16
7.0.310.0040.00915.55
7.0.300.0120.00415.39
7.0.290.0030.01215.30
7.0.280.0070.00715.33
7.0.270.0100.00515.45
7.0.260.0070.00515.31
7.0.250.0050.00915.54
7.0.240.0070.00715.18
7.0.230.0080.00515.20
7.0.220.0070.00615.24
7.0.210.0030.01215.29
7.0.200.0280.00614.93
7.0.190.0070.00815.23
7.0.180.0100.00415.38
7.0.170.0040.01115.38
7.0.160.0110.00515.27
7.0.150.0050.01015.46
7.0.140.0080.02717.56
7.0.130.0070.00615.28
7.0.120.0080.00615.33
7.0.110.0100.00515.24
7.0.100.0090.00615.41
7.0.90.0080.00615.29
7.0.80.0070.00715.37
7.0.70.0080.00815.38
7.0.60.0020.02316.83
7.0.50.0070.03316.29
7.0.40.0080.03215.59
7.0.30.0170.01915.64
7.0.20.0150.03215.62
7.0.10.0090.03215.59
7.0.00.0040.03415.47
5.6.400.0060.00914.67
5.6.390.0120.00614.64
5.6.380.0020.01114.34
5.6.370.0000.01314.46
5.6.360.0060.00914.41
5.6.350.0050.01214.44
5.6.340.0030.01214.40
5.6.330.0050.00914.30
5.6.320.0050.01014.31
5.6.310.0080.00314.62
5.6.300.0020.00914.13
5.6.290.0020.01214.34
5.6.280.0050.03816.65
5.6.270.0060.00714.27
5.6.260.0050.00914.36
5.6.250.0020.01414.33
5.6.240.0060.00914.32
5.6.230.0040.01014.37
5.6.220.0080.01014.15
5.6.210.0100.03016.44
5.6.200.0040.03515.61
5.6.190.0030.02216.38
5.6.180.0090.02016.26
5.6.170.0110.01616.28
5.6.160.0040.02116.28
5.6.150.0080.02915.55
5.6.140.0060.02115.61
5.6.130.0050.02115.51
5.6.120.0080.02316.46
5.6.110.0080.03116.53
5.6.100.0020.04016.63
5.6.90.0030.02016.41
5.6.80.0100.02916.27
5.6.70.0080.00714.27
5.6.60.0040.00814.05
5.6.50.0110.00614.27
5.6.40.0130.00414.33
5.6.30.0040.01414.40
5.6.20.0050.00914.40
5.6.10.0060.00814.40
5.6.00.0100.00714.16
5.5.380.0070.00512.71
5.5.370.0090.00312.93
5.5.360.0030.00812.88
5.5.350.0110.03115.34
5.5.340.0050.02914.44
5.5.330.0070.01815.08
5.5.320.0110.01714.99
5.5.310.0140.02315.23
5.5.300.0100.01514.47
5.5.290.0070.02514.53
5.5.280.0070.02615.25
5.5.270.0070.02115.25
5.5.260.0070.03315.27
5.5.250.0070.03515.24
5.5.240.0060.02915.07
5.5.230.0060.00612.42
5.5.220.0030.00812.30
5.5.210.0070.00512.55
5.5.200.0030.01112.35
5.5.190.0020.00712.75
5.5.180.0100.00312.57
5.5.170.0050.00712.78
5.5.160.0070.00412.59
5.5.150.0050.00712.52
5.5.140.0060.00912.67
5.5.130.0080.00412.77
5.5.120.0090.00512.49
5.5.110.0080.00512.73
5.5.100.0040.00812.93
5.5.90.0040.00812.53
5.5.80.0090.00512.76
5.5.70.0070.00512.63
5.5.60.0030.01012.44
5.5.50.0060.00612.66
5.5.40.0050.00712.64
5.5.30.0120.00312.69
5.5.20.0090.00312.80
5.5.10.0080.00712.56
5.5.00.0050.00612.69
5.4.450.0160.02014.38
5.4.440.0300.01914.34
5.4.430.0170.02014.33
5.4.420.0040.02314.37
5.4.410.0160.01614.34
5.4.400.0090.01714.16
5.4.390.0110.02814.32
5.4.380.0090.02214.14
5.4.370.0080.02714.15
5.4.360.0100.02514.21
5.4.350.0130.02414.11
5.4.340.0170.02414.19
5.4.330.0020.00511.79
5.4.320.0050.01511.98
5.4.310.0040.01911.92
5.4.300.0050.01711.94
5.4.290.0040.01712.03
5.4.280.0050.01811.94
5.4.270.0020.02012.00
5.4.260.0080.01411.96
5.4.250.0040.02012.04
5.4.240.0040.01812.01
5.4.230.0060.01811.86
5.4.220.0040.01811.87
5.4.210.0040.01611.97
5.4.200.0040.01611.94
5.4.190.0020.01911.98
5.4.180.0050.01711.89
5.4.170.0070.01611.98
5.4.160.0080.01411.93
5.4.150.0050.01411.97
5.4.140.0050.01711.87
5.4.130.0060.01711.95
5.4.120.0040.01611.85
5.4.110.0080.01411.87
5.4.100.0040.01911.95
5.4.90.0050.01811.80
5.4.80.0060.01811.85
5.4.70.0050.01511.88
5.4.60.0100.01411.80
5.4.50.0040.01711.92
5.4.40.0040.01711.91
5.4.30.0040.01811.81
5.4.20.0070.01511.89
5.4.10.0070.01611.93
5.4.00.0070.01511.71
5.3.290.0090.02011.63
5.3.280.0050.02311.58
5.3.270.0050.02411.64
5.3.260.0040.02711.54
5.3.250.0080.01911.64
5.3.240.0060.02011.57
5.3.230.0050.02111.63
5.3.220.0050.02211.47
5.3.210.0080.01811.58
5.3.200.0050.02311.55
5.3.190.0060.02211.63
5.3.180.0030.02411.64
5.3.170.0060.01911.69
5.3.160.0020.02511.59
5.3.150.0050.02311.65
5.3.140.0060.02111.61
5.3.130.0050.02311.60
5.3.120.0050.02511.56
5.3.110.0070.02211.56
5.3.100.0060.02311.33
5.3.90.0070.02011.37
5.3.80.0060.01911.25
5.3.70.0050.02111.26
5.3.60.0060.02011.27
5.3.50.0070.02111.18
5.3.40.0020.02311.24
5.3.30.0040.02111.30
5.3.20.0020.02211.04
5.3.10.0080.01911.05
5.3.00.0050.02110.95
5.2.170.0050.0189.63
5.2.160.0060.0219.63
5.2.150.0040.0209.63
5.2.140.0060.0169.63
5.2.130.0040.0189.61
5.2.120.0020.0209.61
5.2.110.0050.0209.61
5.2.100.0060.0169.61
5.2.90.0030.0199.61
5.2.80.0080.0149.61
5.2.70.0060.0209.61
5.2.60.0040.0229.58
5.2.50.0040.0179.57
5.2.40.0050.0179.55
5.2.30.0050.0179.54
5.2.20.0040.0189.54
5.2.10.0070.0139.51
5.2.00.0040.0159.44
5.1.60.0050.0139.09
5.1.50.0040.0159.09
5.1.40.0050.0139.07
5.1.30.0020.0179.25
5.1.20.0050.0159.26
5.1.10.0040.0209.13
5.1.00.0030.0169.12
5.0.50.0060.0098.37
5.0.40.0020.0128.30
5.0.30.0040.0168.21
5.0.20.0010.0138.19
5.0.10.0020.0138.18
5.0.00.0010.0208.17
4.4.90.0020.0117.42
4.4.80.0040.0107.41
4.4.70.0030.0077.41
4.4.60.0050.0087.41
4.4.50.0030.0107.42
4.4.40.0020.0147.38
4.4.30.0020.0117.41
4.4.20.0030.0097.45
4.4.10.0020.0107.46
4.4.00.0020.0157.41
4.3.110.0030.0107.37
4.3.100.0020.0097.36
4.3.90.0010.0137.35
4.3.80.0030.0147.33
4.3.70.0020.0117.35
4.3.60.0010.0117.35
4.3.50.0020.0107.34
4.3.40.0040.0137.30
4.3.30.0010.0106.71
4.3.20.0010.0136.70
4.3.10.0040.0076.68
4.3.00.0030.01012.53

preferences:
50.65 ms | 401 KiB | 5 Q