3v4l.org

run code in 300+ PHP versions simultaneously
<?php $my_key = "\x00" . 5425148641218; $var[$my_key] = 'hi'; foreach($var as $key => $val) { if ($key === $my_key) { echo 'You got it right'; } else { echo 'You got it wrong'; } }

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)
8.3.70.0070.01316.58
8.3.60.0140.00316.63
8.3.50.0060.01121.99
8.3.40.0140.00418.84
8.3.30.0140.00019.09
8.3.20.0080.00020.34
8.3.10.0040.00420.58
8.3.00.0050.00319.50
8.2.180.0070.00718.43
8.2.170.0090.00622.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.03
8.2.110.0060.00321.00
8.2.100.0060.00617.91
8.2.90.0040.00718.03
8.2.80.0040.00418.16
8.2.70.0000.00817.63
8.2.60.0040.00417.63
8.2.50.0040.00417.55
8.2.40.0050.00517.75
8.2.30.0000.00817.65
8.2.20.0050.00217.72
8.2.10.0040.00418.20
8.2.00.0000.00817.74
8.1.280.0150.00825.92
8.1.270.0060.00323.90
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.92
8.1.230.0080.00421.00
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0030.00517.35
8.1.190.0000.00819.14
8.1.180.0030.00518.10
8.1.170.0030.00617.62
8.1.160.0050.00318.80
8.1.150.0000.00718.75
8.1.140.0000.00717.45
8.1.130.0050.00317.74
8.1.120.0030.00317.46
8.1.110.0000.00717.43
8.1.100.0000.00717.34
8.1.90.0000.01017.47
8.1.80.0000.00817.43
8.1.70.0030.00317.41
8.1.60.0030.00517.40
8.1.50.0080.00017.54
8.1.40.0000.00817.50
8.1.30.0030.00517.45
8.1.20.0000.00717.65
8.1.10.0000.00717.52
8.1.00.0000.00717.39
8.0.300.0000.00920.04
8.0.290.0080.00016.63
8.0.280.0000.00717.99
8.0.270.0030.00317.85
8.0.260.0000.00617.15
8.0.250.0050.00216.89
8.0.240.0000.00716.86
8.0.230.0000.00616.95
8.0.220.0070.00016.77
8.0.210.0000.00716.77
8.0.200.0030.00316.95
8.0.190.0050.00216.88
8.0.180.0040.00416.86
8.0.170.0040.00416.93
8.0.160.0000.00716.82
8.0.150.0000.00716.77
8.0.140.0080.00016.91
8.0.130.0060.00013.40
8.0.120.0070.00316.86
8.0.110.0000.00716.79
8.0.100.0070.00016.90
8.0.90.0040.00416.78
8.0.80.0060.01316.83
8.0.70.0000.00716.79
8.0.60.0050.00216.66
8.0.50.0030.00516.82
8.0.30.0100.01217.17
8.0.20.0080.01417.40
8.0.10.0000.00817.11
8.0.00.0110.00916.92
7.4.330.0000.00515.03
7.4.320.0060.00016.45
7.4.300.0060.00016.55
7.4.290.0050.00316.61
7.4.280.0070.00016.61
7.4.270.0030.00316.51
7.4.260.0050.00216.37
7.4.250.0000.00816.46
7.4.240.0050.00216.57
7.4.230.0030.00316.53
7.4.220.0060.02016.53
7.4.210.0060.01316.70
7.4.200.0030.00316.29
7.4.160.0120.00316.30
7.4.150.0120.00617.40
7.4.140.0110.00817.86
7.4.130.0100.00716.57
7.4.120.0120.00516.45
7.4.110.0070.01016.61
7.4.100.0130.00716.46
7.4.90.0060.01316.47
7.4.80.0100.01019.39
7.4.70.0040.01216.54
7.4.60.0040.01316.58
7.4.50.0050.00316.38
7.4.40.0040.01316.61
7.4.30.0030.01216.36
7.4.00.0090.00714.93
7.3.330.0050.00013.02
7.3.320.0030.00313.13
7.3.310.0070.00016.14
7.3.300.0000.00616.21
7.3.290.0140.00316.33
7.3.280.0080.00816.32
7.3.270.0060.01217.40
7.3.260.0130.00316.34
7.3.250.0060.01316.54
7.3.240.0190.00316.35
7.3.230.0130.00316.55
7.3.210.0030.01316.32
7.3.200.0150.00219.39
7.3.190.0120.00916.54
7.3.180.0000.01616.64
7.3.170.0070.01016.44
7.3.160.0040.01116.35
7.3.120.0030.01614.78
7.3.110.0160.00014.68
7.3.100.0090.00915.01
7.3.90.0060.01214.81
7.3.80.0090.00615.05
7.3.70.0030.01314.79
7.3.60.0070.01015.01
7.3.50.0080.00414.75
7.3.40.0060.00315.01
7.3.30.0070.01014.87
7.3.20.0090.00616.52
7.3.10.0100.00116.61
7.3.00.0030.01216.57
7.2.330.0130.01016.60
7.2.320.0060.01716.56
7.2.310.0090.00716.56
7.2.300.0130.00316.63
7.2.290.0000.02216.61
7.2.250.0030.01715.31
7.2.240.0040.01515.17
7.2.230.0030.01514.94
7.2.220.0070.01014.83
7.2.210.0100.00315.16
7.2.200.0000.01515.16
7.2.190.0030.01015.03
7.2.180.0110.00714.70
7.2.170.0040.00715.05
7.2.130.0100.00716.98
7.2.120.0040.01116.94
7.2.110.0060.00616.62
7.2.100.0090.00617.01
7.2.90.0030.01416.96
7.2.80.0060.01317.01
7.2.70.0040.01116.89
7.2.60.0070.00717.15
7.2.50.0030.01017.14
7.2.40.0030.00616.96
7.2.30.0090.00616.94
7.2.20.0030.00716.96
7.2.10.0060.00616.95
7.2.00.0000.01316.83
7.1.330.0030.01015.80
7.1.320.0080.00415.94
7.1.310.0000.01115.65
7.1.300.0090.00615.90
7.1.290.0100.00715.55
7.1.280.0070.01115.88
7.1.270.0070.01015.75
7.1.260.0030.00915.86
7.1.250.0040.00815.61
7.1.70.0040.00717.28
7.1.60.0100.00719.61
7.1.50.0090.01316.97
7.1.00.0070.07322.46
7.0.200.0030.00516.42
7.0.140.0000.07721.97
7.0.70.0200.07019.92
7.0.60.0130.06319.93
7.0.50.0030.09020.13
7.0.40.0130.08020.10
7.0.30.0130.07020.11
7.0.20.0230.06320.05
7.0.10.0100.06020.09
7.0.00.0130.07720.13
5.6.280.0030.07321.12
5.6.220.0000.05020.73
5.6.210.0070.05320.58
5.6.200.0130.05021.13
5.6.190.0030.06020.93
5.6.180.0070.04021.04
5.6.170.0070.07021.17
5.6.160.0130.08021.04
5.6.150.0070.08721.04
5.6.140.0030.09320.95
5.6.130.0100.08321.08
5.6.120.0130.08721.02
5.6.110.0100.06321.02
5.6.100.0170.06720.98
5.6.90.0130.08321.02
5.6.80.0030.04720.33
5.6.70.0000.07020.43
5.6.60.0100.08320.45
5.6.50.0100.05320.47
5.6.40.0070.06320.43
5.6.30.0070.03720.44
5.6.20.0000.04320.31
5.6.10.0070.04320.37
5.6.00.0100.03720.47
5.5.360.0030.04320.40
5.5.350.0130.04320.39
5.5.340.0200.07320.93
5.5.330.0030.07020.91
5.5.320.0070.04320.86
5.5.310.0100.05320.86
5.5.300.0030.08720.87
5.5.290.0100.07320.86
5.5.280.0030.08720.92
5.5.270.0000.07020.85
5.5.260.0030.06020.86
5.5.250.0070.05320.69
5.5.240.0100.07020.11
5.5.230.0130.08020.30
5.5.220.0270.05720.13
5.5.210.0030.09020.24
5.5.200.0070.04720.12
5.5.190.0030.04320.24
5.5.180.0070.04020.20
5.5.160.0030.05020.18
5.5.150.0100.03720.23
5.5.140.0070.03720.25
5.5.130.0000.04020.12
5.5.120.0030.03720.26
5.5.110.0030.04020.21
5.5.100.0070.05020.10
5.5.90.0030.04319.93
5.5.80.0070.03720.15
5.5.70.0030.04020.05
5.5.60.0070.03720.11
5.5.50.0000.04320.07
5.5.40.0030.03320.11
5.5.30.0000.04320.10
5.5.20.0130.03020.05
5.5.10.0000.05020.11
5.5.00.0030.04020.00
5.4.450.0000.08319.53
5.4.440.0070.05319.42
5.4.430.0070.08319.44
5.4.420.0130.07019.38
5.4.410.0030.05319.14
5.4.400.0030.07719.23
5.4.390.0000.05019.14
5.4.380.0000.06019.03
5.4.370.0100.07719.03
5.4.360.0100.07319.07
5.4.350.0130.04318.90
5.4.340.0100.03319.06
5.4.320.0030.05019.05
5.4.310.0070.03319.12
5.4.300.0030.04019.02
5.4.290.0100.03019.05
5.4.280.0030.03319.12
5.4.270.0130.04718.94
5.4.260.0030.03719.07
5.4.250.0170.04718.78
5.4.240.0030.03719.09
5.4.230.0070.05718.94
5.4.220.0030.03319.13
5.4.210.0030.05319.09
5.4.200.0030.03318.95
5.4.190.0000.04018.95
5.4.180.0000.03319.09
5.4.170.0070.07019.06
5.4.160.0130.03718.95
5.4.150.0030.04018.94
5.4.140.0070.04316.27
5.4.130.0030.04316.38
5.4.120.0070.06316.36
5.4.110.0030.03716.34
5.4.100.0000.06016.22
5.4.90.0070.02716.21
5.4.80.0070.03716.31
5.4.70.0000.03716.38
5.4.60.0030.03316.48
5.4.50.0100.06716.23
5.4.40.0000.03716.24
5.4.30.0070.03316.18
5.4.20.0000.04016.18
5.4.10.0030.03016.19
5.4.00.0070.05315.80
5.3.290.0070.03314.66
5.3.280.0030.03714.50
5.3.270.0070.03314.46
5.3.260.0030.04314.60
5.3.250.0100.03014.54
5.3.240.0070.05714.41
5.3.230.0000.05014.58
5.3.220.0100.02714.54
5.3.210.0070.03714.55
5.3.200.0170.04314.55
5.3.190.0030.04314.52
5.3.180.0070.05314.54
5.3.170.0030.03714.38
5.3.160.0000.03314.54
5.3.150.0030.03014.46
5.3.140.0100.03714.48
5.3.130.0100.03014.53
5.3.120.0030.04014.39
5.3.110.0000.04014.50
5.3.100.0000.04013.89
5.3.90.0070.06013.83
5.3.80.0000.03314.00
5.3.70.0030.03713.98
5.3.60.0030.03013.95
5.3.50.0100.04713.85
5.3.40.0030.07713.80
5.3.30.0000.07713.84
5.3.20.0070.07013.66
5.3.10.0070.07313.64
5.3.00.0170.05313.63
5.2.170.0030.04011.10
5.2.160.0030.02711.18
5.2.150.0170.05311.16
5.2.140.0130.06011.13
5.2.130.0170.04711.08
5.2.120.0070.05711.15
5.2.110.0000.04711.11
5.2.100.0100.05711.02
5.2.90.0070.04311.09
5.2.80.0030.03311.13
5.2.70.0070.03011.14
5.2.60.0030.04311.00
5.2.50.0130.06011.05
5.2.40.0070.05010.92
5.2.30.0030.06010.79
5.2.20.0030.06010.95
5.2.10.0100.06010.77
5.2.00.0000.05010.62
5.1.60.0070.04710.61
5.1.50.0100.05010.61
5.1.40.0100.03310.61
5.1.30.0030.04010.61
5.1.20.0000.04710.61
5.1.10.0070.05710.61
5.1.00.0100.04010.61
5.0.50.0030.03010.61
5.0.40.0000.03310.61
5.0.30.0070.07010.61
5.0.20.0030.04310.61
5.0.10.0000.04710.61
5.0.00.0100.03710.61
4.4.90.0000.02310.61
4.4.80.0030.02310.61
4.4.70.0000.02710.61
4.4.60.0000.04010.61
4.4.50.0170.01710.61
4.4.40.0030.04710.61
4.4.30.0030.03010.61
4.4.20.0030.02710.61
4.4.10.0030.03710.61
4.4.00.0030.04710.61
4.3.110.0000.03710.61
4.3.100.0070.03310.61
4.3.90.0070.03010.61
4.3.80.0000.05710.61
4.3.70.0000.03010.61
4.3.60.0000.03710.61
4.3.50.0000.02310.61
4.3.40.0000.03310.61
4.3.30.0000.03710.61
4.3.20.0000.02710.61
4.3.10.0000.01710.61
4.3.00.0000.01710.61

preferences:
64.94 ms | 401 KiB | 5 Q