3v4l.org

run code in 300+ PHP versions simultaneously
<?php $in = "1234"; $arr = array($in => "foobar"); $keys = array_keys($arr); $out = $keys[0]; var_dump($in == $out); var_dump($in === $out);

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)
8.3.40.0120.00318.66
8.3.30.0070.00719.22
8.3.20.0040.00420.30
8.3.10.0040.00423.65
8.3.00.0040.00420.84
8.2.170.0090.00622.96
8.2.160.0100.00320.32
8.2.150.0000.00724.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0030.00520.89
8.2.110.0000.00919.30
8.2.100.0120.00017.91
8.2.90.0080.00019.17
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0090.00018.05
8.2.50.0080.00018.07
8.2.40.0030.00620.01
8.2.30.0040.00418.30
8.2.20.0030.00517.80
8.2.10.0040.00418.00
8.2.00.0000.00817.61
8.1.270.0050.00323.96
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0030.00722.05
8.1.230.0040.00720.78
8.1.220.0000.00817.74
8.1.210.0000.01018.77
8.1.200.0060.00317.35
8.1.190.0050.00317.25
8.1.180.0030.00618.10
8.1.170.0060.00318.51
8.1.160.0050.00222.02
8.1.150.0000.00718.51
8.1.140.0000.00717.41
8.1.130.0000.00817.82
8.1.120.0040.00417.51
8.1.110.0000.00717.44
8.1.100.0040.00417.52
8.1.90.0070.00017.47
8.1.80.0030.00317.46
8.1.70.0000.00817.37
8.1.60.0040.00717.53
8.1.50.0040.00417.40
8.1.40.0060.00317.53
8.1.30.0030.00617.61
8.1.20.0050.00217.61
8.1.10.0030.00517.53
8.1.00.0000.00717.51
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0000.00718.32
8.0.270.0030.00317.21
8.0.260.0090.00017.13
8.0.250.0070.00016.86
8.0.240.0070.00016.93
8.0.230.0000.00716.92
8.0.220.0030.00316.90
8.0.210.0030.00316.91
8.0.200.0030.00316.93
8.0.190.0030.00516.87
8.0.180.0030.00516.92
8.0.170.0070.00016.91
8.0.160.0070.00016.73
8.0.150.0060.00616.83
8.0.140.0000.00916.85
8.0.130.0030.00313.41
8.0.120.0040.00416.75
8.0.110.0040.00416.87
8.0.100.0000.00816.83
8.0.90.0040.00416.76
8.0.80.0130.00316.80
8.0.70.0070.00017.00
8.0.60.0040.00416.70
8.0.50.0050.00216.84
8.0.30.0120.00716.98
8.0.20.0130.00617.40
8.0.10.0020.00516.87
8.0.00.0110.00816.91
7.4.330.0050.00315.00
7.4.320.0040.00416.50
7.4.300.0070.00016.61
7.4.290.0000.00816.57
7.4.280.0000.00716.42
7.4.270.0080.00016.50
7.4.260.0070.00016.48
7.4.250.0000.00716.61
7.4.240.0020.00516.53
7.4.230.0040.00416.62
7.4.220.0180.00316.49
7.4.210.0040.01016.49
7.4.200.0000.00716.39
7.4.190.0030.00316.77
7.4.160.0120.00416.54
7.4.150.0130.00617.40
7.4.140.0120.00717.86
7.4.130.0080.01116.31
7.4.120.0110.00716.49
7.4.110.0090.00916.54
7.4.100.0000.01916.29
7.4.90.0140.00816.59
7.4.80.0030.01519.39
7.4.70.0070.01016.56
7.4.60.0080.00816.45
7.4.50.0040.00016.71
7.4.40.0070.01016.57
7.4.30.0060.00916.51
7.4.00.0090.00615.03
7.3.330.0020.00213.18
7.3.320.0050.00013.11
7.3.310.0040.00416.31
7.3.300.0070.00016.23
7.3.290.0160.00716.30
7.3.280.0110.00716.32
7.3.270.0030.01317.40
7.3.260.0100.00916.35
7.3.250.0080.01116.41
7.3.240.0080.00816.32
7.3.230.0130.00416.56
7.3.210.0060.01116.45
7.3.200.0050.01319.39
7.3.190.0090.00816.46
7.3.180.0040.01116.49
7.3.170.0160.00616.49
7.3.160.0060.01016.25
7.3.120.0070.01014.71
7.3.10.0220.00416.21
7.3.00.0140.00915.99
7.2.330.0040.01416.68
7.2.320.0030.01416.50
7.2.310.0060.01316.36
7.2.300.0070.01016.50
7.2.290.0130.00616.44
7.2.130.0170.01416.70
7.2.120.0260.00716.61
7.2.110.0220.00916.64
7.2.100.0130.00616.43
7.2.90.0170.01216.44
7.2.80.0150.00916.42
7.2.70.0180.01116.76
7.2.60.0120.00916.43
7.2.50.0140.01016.54
7.2.40.0110.01416.33
7.2.30.0030.01416.50
7.2.20.0200.01016.72
7.2.10.0150.01217.00
7.2.00.0230.00816.85
7.1.250.0230.00315.47
7.1.100.0120.00617.95
7.1.70.0000.00717.13
7.1.60.0100.01319.46
7.1.50.0090.01217.05
7.1.00.0030.07722.43
7.0.200.0060.00316.41
7.0.140.0030.07022.05
7.0.100.0130.03319.93
7.0.90.0030.04019.91
7.0.80.0070.03719.91
7.0.70.0070.05019.85
7.0.60.0130.04019.91
7.0.50.0270.02720.32
7.0.40.0030.03720.11
7.0.30.0070.03720.02
7.0.20.0000.04020.14
7.0.10.0000.04320.11
7.0.00.0000.09020.06
5.6.280.0070.07021.11
5.6.250.0030.04320.62
5.6.240.0070.04020.50
5.6.230.0030.04720.50
5.6.220.0030.04020.62
5.6.210.0130.03320.66
5.6.200.0000.04021.01
5.6.190.0070.03320.92
5.6.180.0000.04021.03
5.6.170.0070.04721.00
5.6.160.0100.06320.91
5.6.150.0070.08021.07
5.6.140.0030.06020.99
5.6.130.0170.07721.01
5.6.120.0070.03321.02
5.6.110.0070.07321.11
5.6.100.0070.04021.00
5.6.90.0070.06021.00
5.6.80.0100.03720.50
5.6.70.0030.06720.35
5.6.60.0030.05320.39
5.6.50.0000.08020.41
5.6.40.0070.06020.29
5.6.30.0000.04020.47
5.6.20.0070.03720.29
5.6.10.0030.04020.33
5.6.00.0100.04320.34
5.5.380.0070.04020.53
5.5.370.0070.04320.44
5.5.360.0100.03720.34
5.5.350.0070.04020.45
5.5.340.0030.04020.91
5.5.330.0000.04020.76
5.5.320.0030.03720.77
5.5.310.0170.02720.90
5.5.300.0200.06720.71
5.5.290.0100.07020.85
5.5.280.0070.06020.86
5.5.270.0030.04320.84
5.5.260.0070.07320.61
5.5.250.0030.04720.66
5.5.240.0030.06020.29
5.5.230.0000.04020.14
5.5.220.0130.06320.16
5.5.210.0070.03720.14
5.5.200.0030.03320.23
5.5.190.0000.04320.21
5.5.180.0030.04020.06
5.5.160.0000.04320.19
5.5.150.0200.06320.20
5.5.140.0170.04720.15
5.5.130.0170.05320.16
5.5.120.0070.05020.23
5.5.110.0100.05320.24
5.5.100.0130.06720.05
5.5.90.0170.06720.14
5.5.80.0130.03320.13
5.5.70.0030.08020.04
5.5.60.0100.04020.07
5.5.50.0070.04320.13
5.5.40.0070.04319.98
5.5.30.0030.07020.01
5.5.20.0170.05020.03
5.5.10.0030.08020.00
5.5.00.0100.05019.97
5.4.450.0100.06719.38
5.4.440.0030.06719.25
5.4.430.0100.03319.35
5.4.420.0000.06019.44
5.4.410.0100.03319.25
5.4.400.0100.06719.03
5.4.390.0000.05718.96
5.4.380.0030.06319.14
5.4.370.0100.03719.23
5.4.360.0130.04319.14
5.4.350.0030.04019.12
5.4.340.0000.05018.96
5.4.320.0070.03719.09
5.4.310.0070.05719.14
5.4.300.0030.04719.14
5.4.290.0000.08319.13
5.4.280.0030.07019.14
5.4.270.0170.05718.89
5.4.260.0100.06319.12
5.4.250.0000.05318.80
5.4.240.0100.03718.97
5.4.230.0100.06318.84
5.4.220.0070.06019.14
5.4.210.0070.04319.09
5.4.200.0100.03719.11
5.4.190.0070.03718.93
5.4.180.0130.04018.82
5.4.170.0070.07318.89
5.4.160.0070.03719.04
5.4.150.0130.03019.01
5.4.140.0170.06315.99
5.4.130.0070.06016.30
5.4.120.0070.04016.29
5.4.110.0130.05316.34
5.4.100.0100.06316.21
5.4.90.0070.05316.42
5.4.80.0100.05716.25
5.4.70.0030.05016.29
5.4.60.0030.05016.28
5.4.50.0070.06316.30
5.4.40.0070.06716.46
5.4.30.0070.06316.32
5.4.20.0130.06016.35
5.4.10.0070.05716.33
5.4.00.0070.05015.66
5.3.290.0070.08314.62
5.3.280.0100.04014.45
5.3.270.0070.06014.57
5.3.260.0100.03314.45
5.3.250.0130.06014.54
5.3.240.0100.06714.54
5.3.230.0070.07314.50
5.3.220.0130.05014.52
5.3.210.0000.06314.55
5.3.200.0030.04014.50
5.3.190.0100.06314.54
5.3.180.0030.05314.42
5.3.170.0070.05314.42
5.3.160.0030.04314.55
5.3.150.0130.06014.55
5.3.140.0030.07314.54
5.3.130.0030.04014.40
5.3.120.0070.03014.40
5.3.110.0030.03714.40
5.3.100.0100.07314.02
5.3.90.0100.07013.85
5.3.80.0070.03013.99
5.3.70.0070.03013.97
5.3.60.0000.03713.95
5.3.50.0170.02013.92
5.3.40.0000.06313.91
5.3.30.0100.07013.77
5.3.20.0030.07013.55
5.3.10.0070.03713.64
5.3.00.0070.05713.63
5.2.170.0000.05011.12
5.2.160.0070.03011.09
5.2.150.0000.06310.98
5.2.140.0000.03311.12
5.2.130.0000.04311.02
5.2.120.0070.02311.10
5.2.110.0030.06710.92
5.2.100.0070.03311.13
5.2.90.0100.04711.07
5.2.80.0070.03710.94
5.2.70.0000.03310.90
5.2.60.0000.03311.08
5.2.50.0000.04310.88
5.2.40.0000.03010.98
5.2.30.0070.05711.00
5.2.20.0000.02710.95
5.2.10.0070.03710.93
5.2.00.0000.03710.77
5.1.60.0130.0409.83
5.1.50.0070.02010.05
5.1.40.0000.0279.95
5.1.30.0100.04310.24
5.1.20.0070.05010.37
5.1.10.0070.02710.11
5.1.00.0000.02710.07
5.0.50.0030.0208.56
5.0.40.0070.0338.39
5.0.30.0030.0438.32
5.0.20.0030.0478.32
5.0.10.0030.0378.32
5.0.00.0000.0278.32
4.4.90.0000.0178.32
4.4.80.0070.0208.32
4.4.70.0000.0378.32
4.4.60.0030.0138.32
4.4.50.0030.0308.32
4.4.40.0000.0278.32
4.4.30.0030.0138.32
4.4.20.0000.0278.32
4.4.10.0000.0178.32
4.4.00.0000.0478.32
4.3.110.0000.0208.32
4.3.100.0000.0208.32
4.3.90.0000.0378.32
4.3.80.0030.0538.32
4.3.70.0070.0208.32
4.3.60.0000.0178.32
4.3.50.0030.0308.32
4.3.40.0030.0508.32
4.3.30.0030.0108.32
4.3.20.0030.0178.32
4.3.10.0000.0378.32
4.3.00.0030.0208.32

preferences:
34.65 ms | 404 KiB | 6 Q