3v4l.org

run code in 300+ PHP versions simultaneously
<?php putenv("TEST=\0\USER"); $test = getenv("TEST"); echo "TEST = " .$test." "; putenv("TEST1=+$test"); $test1 = getenv("TEST1"); echo "TEST1 = " .$test1;

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)
8.3.70.0070.01416.63
8.3.60.0150.00018.41
8.3.50.0050.01622.11
8.3.40.0040.01118.76
8.3.30.0140.00018.95
8.3.20.0070.00020.34
8.3.10.0080.00021.84
8.3.00.0000.00822.30
8.2.190.0130.01016.58
8.2.180.0070.01016.32
8.2.170.0140.00322.96
8.2.160.0090.00618.86
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0030.00526.16
8.2.120.0040.00419.24
8.2.110.0000.01022.29
8.2.100.0060.00619.57
8.2.90.0000.00919.23
8.2.80.0080.00017.97
8.2.70.0080.00017.50
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00818.09
8.2.30.0090.00018.07
8.2.20.0080.00017.71
8.2.10.0050.00217.67
8.2.00.0070.00017.64
8.1.280.0140.00025.92
8.1.270.0040.00422.14
8.1.260.0050.00226.35
8.1.250.0000.00828.09
8.1.240.0040.00423.98
8.1.230.0030.00719.17
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0000.01017.36
8.1.190.0100.00017.30
8.1.180.0040.00818.10
8.1.170.0000.00818.57
8.1.160.0000.00722.00
8.1.150.0030.00618.63
8.1.140.0070.00017.34
8.1.130.0070.00017.88
8.1.120.0000.00717.34
8.1.110.0040.00317.44
8.1.100.0040.00417.50
8.1.90.0070.00017.48
8.1.80.0040.00417.50
8.1.70.0030.00317.35
8.1.60.0000.00817.60
8.1.50.0030.00517.52
8.1.40.0040.00417.55
8.1.30.0000.00817.51
8.1.20.0000.00817.66
8.1.10.0070.00017.38
8.1.00.0070.00017.34
8.0.300.0070.00018.77
8.0.290.0000.00817.16
8.0.280.0030.00518.48
8.0.270.0030.00317.16
8.0.260.0000.00716.75
8.0.250.0070.00016.93
8.0.240.0040.00416.96
8.0.230.0030.00316.89
8.0.220.0000.00716.95
8.0.210.0030.00316.92
8.0.200.0030.00316.95
8.0.190.0070.00016.84
8.0.180.0070.00016.81
8.0.170.0000.00816.77
8.0.160.0000.00716.89
8.0.150.0000.00816.84
8.0.140.0050.00316.75
8.0.130.0000.00513.30
8.0.120.0000.00816.82
8.0.110.0000.00716.88
8.0.100.0030.00316.75
8.0.90.0080.00016.95
8.0.80.0150.00616.84
8.0.70.0040.00416.84
8.0.60.0000.00716.71
8.0.50.0000.00716.63
8.0.30.0160.00317.06
8.0.20.0080.01117.40
8.0.10.0050.00317.00
8.0.00.0110.00716.71
7.4.330.0050.00015.00
7.4.320.0060.00016.51
7.4.300.0030.00316.50
7.4.290.0030.00316.43
7.4.280.0030.00316.44
7.4.270.0030.00316.57
7.4.260.0080.00316.41
7.4.250.0000.00716.35
7.4.240.0020.00516.50
7.4.230.0020.00516.51
7.4.220.0040.01416.39
7.4.210.0110.00516.52
7.4.200.0030.00316.46
7.4.190.0000.00716.34
7.4.160.0040.01216.52
7.4.150.0120.01217.40
7.4.140.0060.01417.86
7.4.130.0050.01316.50
7.4.120.0050.01216.41
7.4.110.0090.00716.40
7.4.100.0140.00516.40
7.4.90.0100.00916.40
7.4.80.0150.00619.39
7.4.70.0100.00716.44
7.4.60.0120.00616.22
7.4.50.0050.00316.43
7.4.40.0070.01122.77
7.4.30.0130.00316.36
7.4.00.0110.00514.88
7.3.330.0000.00513.16
7.3.320.0060.00013.06
7.3.310.0030.00316.09
7.3.300.0070.00016.21
7.3.290.0030.01516.29
7.3.280.0050.01216.33
7.3.270.0030.01317.40
7.3.260.0090.00916.68
7.3.250.0070.01216.38
7.3.240.0090.01216.31
7.3.230.0060.01116.39
7.3.210.0100.00616.31
7.3.200.0000.01616.25
7.3.190.0090.00916.60
7.3.180.0080.00816.70
7.3.170.0150.00316.39
7.3.160.0100.00716.20
7.3.120.0080.00614.75
7.3.110.0110.00314.69
7.3.100.0000.01414.68
7.3.90.0090.00814.70
7.3.80.0060.00814.81
7.3.70.0080.00514.74
7.3.60.0020.01014.68
7.3.50.0070.00414.83
7.3.40.0050.00814.79
7.3.30.0030.00914.92
7.3.20.0080.00816.75
7.3.10.0020.00716.68
7.3.00.0070.00616.49
7.2.330.0090.00916.70
7.2.320.0070.01016.77
7.2.310.0030.01316.68
7.2.300.0090.00716.61
7.2.290.0110.00716.46
7.2.250.0040.01115.02
7.2.240.0080.00715.00
7.2.230.0070.00915.16
7.2.220.0080.00514.93
7.2.210.0050.00814.96
7.2.200.0000.01415.06
7.2.190.0070.00915.00
7.2.180.0020.01014.71
7.2.170.0050.00815.08
7.2.160.0070.01015.07
7.2.150.0070.00717.06
7.2.140.0130.00316.91
7.2.130.0060.00916.88
7.2.120.0070.00716.77
7.2.110.0040.00716.83
7.2.100.0080.00816.99
7.2.90.0070.01117.11
7.2.80.0130.00717.08
7.2.70.0090.00917.10
7.2.60.0140.00317.05
7.2.50.0090.00616.86
7.2.40.0100.00717.05
7.2.30.0100.00317.00
7.2.20.0100.00317.03
7.2.10.0030.01316.95
7.2.00.0060.01216.89
7.1.330.0030.01215.68
7.1.320.0030.01015.91
7.1.310.0050.01015.72
7.1.300.0040.00815.71
7.1.290.0040.01115.82
7.1.280.0050.00815.71
7.1.270.0050.00615.74
7.1.260.0070.00715.81
7.1.250.0000.01115.71
7.1.70.0000.00917.05
7.1.60.0120.01219.82
7.1.50.0140.01016.99
7.1.00.0000.08022.53
7.0.200.0050.00316.79
7.0.140.0070.07021.91
7.0.60.0100.05319.95
7.0.50.0030.04017.89
7.0.40.0030.07720.27
7.0.30.0230.04020.17
7.0.20.0200.04720.33
7.0.10.0200.05320.19
7.0.00.0030.04720.17
5.6.280.0070.07021.04
5.6.210.0030.08720.67
5.6.200.0030.08718.12
5.6.190.0030.06720.61
5.6.180.3930.03720.39
5.6.170.0230.04020.66
5.6.160.0100.08320.54
5.6.150.0100.07318.17
5.6.140.0070.07718.25
5.6.130.0070.03718.22
5.6.120.0030.08020.94
5.6.110.0000.04321.08
5.6.100.0000.07021.04
5.6.90.0130.07720.99
5.6.80.0030.06320.52
5.6.70.3030.03720.36
5.5.350.0270.04720.37
5.5.340.0030.05017.88
5.5.330.0030.05720.45
5.5.320.3170.04320.50
5.5.310.0270.05720.32
5.5.300.0100.04718.00
5.5.290.0130.04717.94
5.5.280.0100.03720.97
5.5.270.0170.06020.85
5.5.260.0130.07720.96
5.5.250.0030.04320.57
5.5.240.0300.07020.25
5.4.450.2570.04319.14
5.4.440.2700.03719.41
5.4.430.3330.03319.11
5.4.420.3370.03319.11
5.4.410.3600.03718.98
5.4.400.3200.03718.92
5.4.390.3300.05318.93
5.4.380.3170.03019.13
5.4.370.3400.04019.13
5.4.360.3630.03719.08
5.4.350.3300.03718.93
5.4.340.3600.03319.13
5.4.320.3370.04018.93
5.4.310.3370.03318.93
5.4.300.3330.03318.80
5.4.290.3770.04319.09
5.4.280.3270.05018.88
5.4.270.3470.03719.08
5.4.260.3630.04018.80
5.4.250.3500.03718.93
5.4.240.3570.03019.15
5.4.230.3770.03719.24
5.4.220.3430.03719.07
5.4.210.3370.03718.78
5.4.200.3370.03719.09
5.4.190.3530.04019.05
5.4.180.3330.03319.14
5.4.170.3330.04319.23
5.4.160.4600.03719.06
5.4.150.3770.04319.06
5.4.140.3470.03716.37
5.4.130.3730.03716.25
5.4.120.3530.03716.36
5.4.110.3370.03316.21
5.4.100.3630.03716.43
5.4.90.3530.04016.48
5.4.80.3370.03016.37
5.4.70.3530.02316.50
5.4.60.3670.03316.17
5.4.50.3430.03016.40
5.4.40.3700.03016.47
5.4.30.3330.03716.28
5.4.20.3570.03316.43
5.4.10.3330.03016.46
5.4.00.3600.03315.78
5.3.290.3370.03714.75
5.3.280.3470.03314.54
5.3.270.3530.03714.45
5.3.260.3400.03314.69
5.3.250.3730.03714.54
5.3.240.3400.03714.58
5.3.230.3570.03314.57
5.3.220.3330.03714.39
5.3.210.3600.04014.46
5.3.200.3330.03714.50
5.3.190.2930.03014.41
5.3.180.3370.03314.46
5.3.170.3330.03314.64
5.3.160.3370.04314.54
5.3.150.3400.04314.50
5.3.140.3330.04014.62
5.3.130.3530.04314.59
5.3.120.3800.03714.57
5.3.110.3270.04314.38
5.3.100.3670.02713.89
5.3.90.3630.04314.02
5.3.80.3630.03013.89
5.3.70.3200.03014.06
5.3.60.3570.03314.09
5.3.50.3700.02713.89
5.3.40.2000.03313.99
5.3.30.2800.03313.93
5.3.20.1530.03313.74
5.3.10.3000.03013.50
5.3.00.3070.03013.47
5.2.170.0670.02711.16
5.2.160.0670.03010.99
5.2.150.2470.03011.30
5.2.140.1830.02011.05
5.2.130.1830.03011.04
5.2.120.2130.03011.00
5.2.110.2700.02311.04
5.2.100.2330.03311.11
5.2.90.2170.03011.11
5.2.80.3430.03011.19
5.2.70.2900.02710.95
5.2.60.2570.03011.05
5.2.50.2900.02011.08
5.2.40.2330.02310.83
5.2.30.1830.03010.85
5.2.20.2330.02310.84
5.2.10.2230.02710.93
5.2.00.2270.02310.68
5.1.60.2130.0279.92
5.1.50.2270.0309.93
5.1.40.2670.0239.91
5.1.30.2470.02710.28
5.1.20.2530.02310.31
5.1.10.2270.02010.11
5.1.00.2200.0279.93
5.0.50.1130.0208.89
5.0.40.1170.0138.89
5.0.30.1100.0308.89
5.0.20.1100.0178.89
5.0.10.1200.0238.89
5.0.00.1170.0278.89
4.4.90.1370.0138.89
4.4.80.1370.0208.89
4.4.70.1130.0178.89
4.4.60.1130.0108.89
4.4.50.1100.0138.89
4.4.40.1100.0208.89
4.4.30.1170.0138.89
4.4.20.0930.0178.89
4.4.10.1130.0138.89
4.4.00.0830.0238.89
4.3.110.1100.0178.89
4.3.100.1100.0138.89
4.3.90.1100.0138.89
4.3.80.1130.0238.89
4.3.70.1470.0208.89
4.3.60.1100.0178.89
4.3.50.1130.0178.89
4.3.40.1330.0308.89
4.3.30.0670.0208.89
4.3.20.0600.0138.89
4.3.10.0600.0208.89
4.3.00.0530.0178.89

preferences:
49.6 ms | 401 KiB | 5 Q