3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach(["a", "b"] as $i) { $$i = 1; } echo $a;

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)
8.3.40.0110.00318.84
8.3.30.0060.01018.73
8.3.20.0040.00420.13
8.3.10.0080.00021.95
8.3.00.0040.00422.52
8.2.170.0110.01122.96
8.2.160.0100.00320.46
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00726.16
8.2.120.0080.00019.36
8.2.110.0050.00322.19
8.2.100.0070.00319.11
8.2.90.0080.00019.22
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0000.00818.09
8.2.30.0030.00718.11
8.2.20.0060.00317.64
8.2.10.0040.00417.74
8.2.00.0000.00717.73
8.1.270.0050.00322.19
8.1.260.0030.00526.35
8.1.250.0000.00828.09
8.1.240.0030.00623.89
8.1.230.0040.00818.91
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0000.00917.23
8.1.190.0000.00717.30
8.1.180.0000.00818.10
8.1.170.0050.00318.59
8.1.160.0000.00722.05
8.1.150.0000.00718.63
8.1.140.0030.00717.34
8.1.130.0080.00017.82
8.1.120.0040.00417.42
8.1.110.0000.00717.44
8.1.100.0040.00417.43
8.1.90.0070.00017.29
8.1.80.0070.00017.48
8.1.70.0030.00317.45
8.1.60.0060.00317.61
8.1.50.0030.00617.50
8.1.40.0040.00417.39
8.1.30.0040.00417.64
8.1.20.0040.00417.64
8.1.10.0000.00717.54
8.1.00.0080.00017.45
8.0.300.0040.00418.77
8.0.290.0080.00017.18
8.0.280.0000.00718.34
8.0.270.0070.00017.30
8.0.260.0060.00016.91
8.0.250.0070.00016.98
8.0.240.0030.00316.93
8.0.230.0000.00716.97
8.0.220.0030.00316.79
8.0.210.0070.00016.88
8.0.200.0080.00016.87
8.0.190.0050.00316.99
8.0.180.0040.00416.89
8.0.170.0000.00816.90
8.0.160.0040.00416.77
8.0.150.0000.00716.89
8.0.140.0070.00016.87
8.0.130.0000.00513.25
8.0.120.0000.00816.88
8.0.110.0050.00216.79
8.0.100.0050.00216.87
8.0.90.0040.00416.72
8.0.80.0060.00916.84
8.0.70.0030.00516.78
8.0.60.0000.00716.79
8.0.50.0000.00816.86
8.0.30.0070.01217.22
8.0.20.0110.00917.40
8.0.10.0030.00516.90
8.0.00.0080.01016.65
7.4.330.0020.00215.09
7.4.320.0070.00016.43
7.4.300.0060.00016.51
7.4.290.0000.00716.58
7.4.280.0050.00216.49
7.4.270.0000.00716.60
7.4.260.0030.00316.47
7.4.250.0000.00716.44
7.4.240.0020.00516.54
7.4.230.0000.00816.47
7.4.220.0070.01116.54
7.4.210.0080.00716.62
7.4.200.0000.00716.40
7.4.190.0040.00416.36
7.4.160.0080.00816.35
7.4.150.0200.00017.40
7.4.140.0100.00817.86
7.4.130.0100.00916.34
7.4.120.0170.00316.51
7.4.110.0060.01216.59
7.4.100.0070.01016.44
7.4.90.0090.01316.64
7.4.80.0150.00319.39
7.4.70.0070.01016.46
7.4.60.0070.01016.39
7.4.50.0040.00416.19
7.4.40.0090.00922.77
7.4.30.0030.01316.71
7.4.00.0030.01215.14
7.3.330.0000.00513.16
7.3.320.0000.00613.25
7.3.310.0030.00316.40
7.3.300.0070.00016.11
7.3.290.0140.00616.36
7.3.280.0060.01016.27
7.3.270.0190.00317.40
7.3.260.0070.01416.58
7.3.250.0140.00216.27
7.3.240.0060.01016.32
7.3.230.0060.01016.39
7.3.210.0080.00816.35
7.3.200.0080.01119.39
7.3.190.0000.01816.43
7.3.180.0070.00716.47
7.3.170.0120.00916.43
7.3.160.0000.01516.44
7.3.120.0060.01014.95
7.3.110.0070.00714.88
7.3.100.0090.00615.07
7.3.90.0090.00614.71
7.3.80.0000.01214.71
7.3.70.0030.00814.84
7.3.60.0080.00314.49
7.3.50.0070.00714.91
7.3.40.0100.00314.80
7.3.30.0060.01014.46
7.3.20.0060.00616.41
7.3.10.0000.01216.83
7.3.00.0060.00616.72
7.2.330.0100.00716.65
7.2.320.0110.00716.70
7.2.310.0070.01016.64
7.2.300.0170.03916.63
7.2.290.0090.00616.56
7.2.240.0030.01415.04
7.2.230.0080.00614.90
7.2.220.0000.01614.80
7.2.210.0070.00715.05
7.2.200.0030.01214.90
7.2.190.0000.01314.87
7.2.180.0030.01414.79
7.2.170.0100.00315.08
7.2.160.0080.00614.88
7.2.150.0080.00416.81
7.2.140.0090.00316.66
7.2.130.0030.00917.07
7.2.120.0030.00716.93
7.2.110.0100.00416.86
7.2.100.0000.01416.88
7.2.90.0070.01016.82
7.2.80.0070.01016.88
7.2.70.0060.01217.01
7.2.60.0070.01016.88
7.2.50.0060.00317.00
7.2.40.0070.01016.97
7.2.30.0070.01116.70
7.2.20.0030.01016.72
7.2.10.0110.00716.64
7.2.00.0090.00316.84
7.1.330.0040.00715.80
7.1.320.0090.00615.75
7.1.310.0070.00415.74
7.1.300.0090.00315.62
7.1.290.0030.00615.58
7.1.280.0030.00915.52
7.1.270.0030.01015.61
7.1.260.0030.00715.43
7.1.250.0040.00715.51
7.1.70.0000.00717.09
7.1.60.0040.00717.17
7.1.50.0040.01916.85
7.1.00.0100.07022.36
7.0.200.0000.01616.79
7.0.140.0030.07022.18
7.0.110.0070.07019.99
7.0.100.0070.07319.90
7.0.90.0000.04319.83
7.0.80.0370.07719.97
7.0.70.0100.06719.91
7.0.60.0600.09320.00
7.0.50.0500.07319.88
7.0.40.0030.06319.71
7.0.30.0070.04019.88
7.0.20.0070.04019.77
7.0.10.0030.04019.73
7.0.00.0100.06719.85
5.6.280.0000.07321.06
5.6.260.0000.07720.63
5.6.250.0100.03720.69
5.6.240.0100.07020.48
5.6.230.0030.07020.55
5.6.220.0030.04320.67
5.6.210.0100.03320.70
5.6.200.0000.04320.56
5.6.190.0030.08720.56
5.6.180.0130.04320.70
5.6.170.0070.04320.46
5.6.160.0030.08020.64
5.6.150.0000.04320.58
5.6.140.0100.09020.63
5.6.130.0030.04020.61
5.6.120.0030.07320.46
5.6.110.0070.08020.45
5.6.100.0030.08020.54
5.6.90.0100.05320.60
5.6.80.0170.06320.04
5.6.70.0000.04720.07
5.6.60.0000.07019.92
5.6.50.0070.07720.04
5.6.40.0030.06019.96
5.6.30.0070.07020.16
5.6.20.0100.07319.99
5.6.10.0030.04019.95
5.6.00.0130.06019.90
5.5.380.0030.03717.55
5.5.370.0170.06017.66
5.5.360.0030.08317.57
5.5.350.0030.07017.46
5.5.340.0030.04017.99
5.5.330.0070.08318.13
5.5.320.0100.05017.89
5.5.310.0030.07317.86
5.5.300.0030.04017.87
5.5.290.0130.06017.77
5.5.280.0070.07718.16
5.5.270.0100.07318.00
5.5.260.0030.08718.12
5.5.250.0100.07017.93
5.5.240.0030.08017.63
5.5.230.0070.07717.39
5.5.220.0100.08017.22
5.5.210.0100.07317.23
5.5.200.0070.03317.48
5.5.190.0070.07317.21
5.5.180.0000.05317.38
5.5.160.0030.06317.21
5.5.150.0070.07017.19
5.5.140.0030.04717.47
5.5.130.0070.07317.12
5.5.120.0030.05317.45
5.5.110.0130.06717.21
5.5.100.0000.08317.28
5.5.90.0070.06317.27
5.5.80.0000.04017.14
5.5.70.0130.05717.10
5.5.60.0070.06317.36
5.5.50.0030.04017.50
5.5.40.0070.03017.39
5.5.30.0070.03717.08
5.5.20.0070.06717.09
5.5.10.0130.03317.39
5.5.00.0100.04317.40
5.4.450.0100.06719.33
5.4.440.0030.07719.60
5.4.430.0100.09319.50
5.4.420.0070.07319.35
5.4.410.0030.04019.14
5.4.400.0070.04718.99
5.4.390.0030.04319.18
5.4.380.0030.03719.18
5.4.370.0100.05719.08
5.4.360.0070.08019.03
5.4.350.0030.07018.98
5.4.340.0030.03719.02
5.4.320.0070.07319.17
5.4.310.0070.06018.98
5.4.300.0100.07018.91
5.4.290.0100.06319.09
5.4.280.0100.03018.95
5.4.270.0070.04718.94
5.4.260.0030.07718.95
5.4.250.0030.07019.00
5.4.240.0030.07718.89
5.4.230.0000.04319.00
5.4.220.0030.03719.11
5.4.210.0030.05319.13
5.4.200.0070.05718.98
5.4.190.0070.04319.26
5.4.180.0000.05319.15
5.4.170.0000.04019.12
5.4.160.0030.04718.98
5.4.150.0070.04018.90
5.4.140.0100.07016.47
5.4.130.0000.03716.33
5.4.120.0030.03716.33
5.4.110.0030.04016.42
5.4.100.0100.06316.18
5.4.90.0070.07316.28
5.4.80.0030.03316.19
5.4.70.0100.03016.34
5.4.60.0070.06716.50
5.4.50.0100.06016.48
5.4.40.0070.08016.43
5.4.30.0070.05016.48
5.4.20.0030.08016.34
5.4.10.0070.05716.37
5.4.00.0030.05016.00
5.3.290.0000.04014.56
5.3.280.0070.06714.40
5.3.270.0030.04014.61
5.3.260.0030.04014.68
5.3.250.0000.04314.48
5.3.240.0070.03014.62
5.3.230.0070.06714.66
5.3.220.0030.05014.49
5.3.210.0030.03714.50
5.3.200.0100.05714.48
5.3.190.0170.02314.42
5.3.180.0130.02714.58
5.3.170.0030.04314.39
5.3.160.0070.07014.64
5.3.150.0130.06314.64
5.3.140.0000.06314.41
5.3.130.0100.07314.47
5.3.120.0100.03014.34
5.3.110.0170.03314.57
5.3.100.0070.07314.04
5.3.90.0030.06713.96
5.3.80.0070.07013.90
5.3.70.0000.03714.09
5.3.60.0070.07313.90
5.3.50.0070.04713.97
5.3.40.0100.03313.97
5.3.30.0100.03313.86
5.3.20.0000.03713.77
5.3.10.0070.03313.66
5.3.00.0030.03313.71
5.2.170.0000.04712.24
5.2.160.0000.05012.24
5.2.150.0030.03012.24
5.2.140.0030.03012.24
5.2.130.0000.03012.24
5.2.120.0000.03012.24
5.2.110.0030.02712.24
5.2.100.0000.03012.24
5.2.90.0030.03312.24
5.2.80.0000.03012.24
5.2.70.0030.02712.24
5.2.60.0000.03712.24
5.2.50.0030.02312.24
5.2.40.0000.03012.24
5.2.30.0000.03012.24
5.2.20.0100.02012.24
5.2.10.0000.02312.24
5.2.00.0030.02712.24
5.1.60.0000.02712.24
5.1.50.0030.02012.24
5.1.40.0070.01312.24
5.1.30.0030.02012.24
5.1.20.0030.02012.24
5.1.10.0030.02312.24
5.1.00.0000.02712.24
5.0.50.0030.02012.24
5.0.40.0030.02012.24
5.0.30.0000.03012.24
5.0.20.0030.01712.24
5.0.10.0000.01712.24
5.0.00.0100.02712.24
4.4.90.0000.02012.24
4.4.80.0030.01312.24
4.4.70.0000.01312.24
4.4.60.0000.02012.24
4.4.50.0000.01312.24
4.4.40.0000.02012.24
4.4.30.0000.01312.24
4.4.20.0000.01312.24
4.4.10.0030.01012.24
4.4.00.0030.02012.24
4.3.110.0000.01312.24
4.3.100.0030.01312.24
4.3.90.0000.01312.24
4.3.80.0000.02012.24
4.3.70.0100.00312.24
4.3.60.0000.01312.24
4.3.50.0070.01012.24
4.3.40.0100.01712.24
4.3.30.0030.01312.24
4.3.20.0000.01712.24
4.3.10.0000.01312.24
4.3.00.0030.01312.24

preferences:
48.82 ms | 400 KiB | 5 Q