3v4l.org

run code in 300+ PHP versions simultaneously
<?php putenv("TEST=TEST"); $test = getenv("TEST"); echo "TEST = " .$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)
8.3.60.0140.00718.43
8.3.50.0090.00921.97
8.3.40.0070.00718.71
8.3.30.0090.00619.09
8.3.20.0070.00020.16
8.3.10.0070.00021.92
8.3.00.0000.00722.57
8.2.180.0110.00716.63
8.2.170.0090.00622.96
8.2.160.0150.00018.88
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.36
8.2.110.0060.00321.98
8.2.100.0100.00319.25
8.2.90.0030.00619.08
8.2.80.0000.00817.97
8.2.70.0050.00317.38
8.2.60.0040.00417.92
8.2.50.0000.00818.07
8.2.40.0000.00918.03
8.2.30.0000.00717.93
8.2.20.0040.00417.70
8.2.10.0070.00017.55
8.2.00.0000.00717.68
8.1.280.0170.00325.92
8.1.270.0110.00421.83
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00823.89
8.1.230.0090.00319.10
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.21
8.1.190.0070.00017.39
8.1.180.0020.00718.10
8.1.170.0040.00418.57
8.1.160.0030.00521.94
8.1.150.0000.00718.55
8.1.140.0000.00717.40
8.1.130.0070.00017.81
8.1.120.0050.00217.47
8.1.110.0000.00817.33
8.1.100.0050.00217.49
8.1.90.0000.00717.43
8.1.80.0030.00317.45
8.1.70.0030.00317.46
8.1.60.0040.00417.63
8.1.50.0060.00317.44
8.1.40.0080.00017.39
8.1.30.0040.00417.52
8.1.20.0030.00617.58
8.1.10.0000.00817.39
8.1.00.0040.00417.45
8.0.300.0070.00018.77
8.0.290.0040.00417.04
8.0.280.0030.00318.35
8.0.270.0030.00317.16
8.0.260.0000.00616.85
8.0.250.0030.00316.84
8.0.240.0040.00416.93
8.0.230.0000.00716.85
8.0.220.0000.00716.77
8.0.210.0030.00316.89
8.0.200.0000.00716.92
8.0.190.0080.00016.88
8.0.180.0050.00316.93
8.0.170.0000.00816.86
8.0.160.0000.00716.84
8.0.150.0040.00416.93
8.0.140.0040.00416.75
8.0.130.0000.00613.35
8.0.120.0030.00616.79
8.0.110.0070.00016.79
8.0.100.0000.00716.67
8.0.90.0070.00016.67
8.0.80.0090.01016.95
8.0.70.0000.00716.83
8.0.60.0000.00816.69
8.0.50.0000.00716.85
8.0.30.0070.01216.90
8.0.20.0100.00917.40
8.0.10.0040.00416.81
8.0.00.0070.01716.70
7.4.330.0050.00015.01
7.4.320.0030.00316.55
7.4.300.0000.00716.50
7.4.290.0070.00016.43
7.4.280.0030.00316.42
7.4.270.0030.00316.58
7.4.260.0040.00416.41
7.4.250.0040.00416.39
7.4.240.0060.00116.50
7.4.230.0030.00316.63
7.4.220.0060.01216.42
7.4.210.0040.01116.52
7.4.200.0050.00316.27
7.4.190.0030.00416.51
7.4.160.0090.00616.45
7.4.150.0130.00317.40
7.4.140.0140.00717.86
7.4.130.0090.01016.34
7.4.120.0060.01216.43
7.4.110.0080.00816.32
7.4.100.0170.00616.48
7.4.90.0180.00416.32
7.4.80.0110.00719.39
7.4.70.0060.01116.38
7.4.60.0110.00716.42
7.4.50.0000.00516.26
7.4.40.0060.00922.77
7.4.30.0070.01016.32
7.4.00.0050.01114.77
7.3.330.0020.00213.15
7.3.320.0050.00013.16
7.3.310.0040.00416.17
7.3.300.0030.00316.27
7.3.290.0120.00316.29
7.3.280.0050.00916.33
7.3.270.0080.00817.40
7.3.260.0070.01016.43
7.3.250.0060.01716.39
7.3.240.0130.00816.42
7.3.230.0130.00916.50
7.3.210.0090.00616.45
7.3.200.0030.01319.39
7.3.190.0080.01416.57
7.3.180.0130.00616.41
7.3.170.0100.00716.30
7.3.160.0110.01116.61
7.3.120.0070.00914.88
7.3.110.0030.01514.72
7.3.100.0150.00014.74
7.3.90.0130.00314.89
7.3.80.0110.00414.84
7.3.70.0060.00614.93
7.3.60.0030.01214.84
7.3.50.0070.00715.00
7.3.40.0090.00614.70
7.3.30.0150.00014.53
7.3.20.0030.01016.71
7.3.10.0060.00616.25
7.3.00.0070.00716.74
7.2.330.0150.01216.64
7.2.320.0090.00916.79
7.2.310.0070.01016.61
7.2.300.0070.01116.51
7.2.290.0030.01516.46
7.2.250.0120.00914.86
7.2.240.0070.01114.91
7.2.230.0090.00915.18
7.2.220.0040.00815.13
7.2.210.0070.00715.04
7.2.200.0030.00914.98
7.2.190.0070.00715.05
7.2.180.0040.01414.83
7.2.170.0030.00915.21
7.2.60.0140.00316.72
7.2.00.0040.00719.40
7.1.330.0120.00316.01
7.1.320.0030.00615.79
7.1.310.0040.01115.70
7.1.300.0040.01515.80
7.1.290.0040.01415.57
7.1.280.0100.00315.94
7.1.270.0000.01515.69
7.1.260.0080.00616.05
7.1.200.0070.00315.50
7.1.100.0060.00618.09
7.1.70.0000.00817.22
7.1.60.0120.01219.82
7.1.50.0140.01116.70
7.1.00.0030.07722.31
7.0.200.0110.00716.87
7.0.140.0030.09022.07
7.0.60.0070.04719.95
7.0.50.0070.03717.88
7.0.40.0070.08320.06
7.0.30.0300.06020.02
7.0.20.0270.07020.16
7.0.10.0270.07320.19
7.0.00.0100.05720.33
5.6.280.0030.07321.04
5.6.210.0100.07020.54
5.6.200.0000.07718.08
5.6.190.0030.07720.45
5.6.180.4170.03720.66
5.6.170.0170.05720.71
5.6.160.0100.07020.49
5.6.150.0130.04718.15
5.6.140.0000.05318.16
5.6.130.0130.07718.20
5.6.120.0070.07021.00
5.6.110.0170.06721.02
5.6.100.0170.07720.97
5.6.90.0030.05321.12
5.6.80.0200.06020.40
5.6.70.4570.03720.47
5.5.350.0070.08020.44
5.5.340.0130.06317.95
5.5.330.0070.08020.15
5.5.320.0200.05020.32
5.5.310.0300.05720.24
5.5.300.0030.08317.90
5.5.290.0130.05717.91
5.5.280.0030.04020.96
5.5.270.0070.04320.67
5.5.260.0070.08020.75
5.5.250.0100.03320.57
5.5.240.0070.05020.23
5.4.450.0470.07319.32
5.4.440.0430.06019.54
5.4.430.0170.07019.62
5.4.420.0100.05719.48
5.4.410.0070.05719.40
5.4.400.0900.00018.77
5.4.390.0600.00018.74
5.4.380.0130.06718.65
5.4.370.0330.05318.68
5.4.360.0370.05018.50
5.4.350.0330.05018.74
5.4.340.0370.04718.50
5.4.320.0080.03412.45
5.4.310.0080.03612.45
5.4.300.0100.03312.46
5.4.290.0080.05012.46
5.4.280.0050.03612.35
5.4.270.0030.05718.86
5.4.260.0200.04318.74
5.4.250.0230.05718.89
5.4.240.0200.04018.89
5.4.230.0070.08018.93
5.4.220.0070.05719.02
5.4.210.0000.06718.84
5.4.200.0170.05718.83
5.4.190.0030.05318.89
5.4.180.0030.06318.87
5.4.170.0030.05718.98
5.4.160.0200.04019.02
5.4.150.0130.05018.86
5.4.140.0030.06316.49
5.4.130.0170.04316.50
5.4.120.0130.04716.25
5.4.110.0170.04716.52
5.4.100.0070.04716.35
5.4.90.0100.04316.34
5.4.80.0100.05016.27
5.4.70.0200.04316.48
5.4.60.0130.04016.47
5.4.50.0170.05016.50
5.4.40.0100.05016.45
5.4.30.0070.05716.49
5.4.20.0100.04716.47
5.4.10.0030.05716.46
5.4.00.0070.05015.93
5.3.290.0060.03912.80
5.3.280.0070.05314.61
5.3.270.0100.05714.58
5.3.260.0100.07314.65
5.3.250.0030.05314.62
5.3.240.0030.05314.65
5.3.230.0030.05714.43
5.3.220.0070.05314.66
5.3.210.0070.05314.41
5.3.200.0200.06014.43
5.3.190.0100.04714.59
5.3.180.0200.03714.57
5.3.170.0100.04714.42
5.3.160.0000.07014.61
5.3.150.0030.05014.40
5.3.140.0170.04014.65
5.3.130.0030.07314.70
5.3.120.0170.04014.48
5.3.110.0070.07314.70
5.3.100.0000.06314.18
5.3.90.0170.05713.71
5.3.80.0070.05014.11
5.3.70.0270.04313.88
5.3.60.0170.06013.70
5.3.50.0070.04713.94
5.3.40.0100.04713.95
5.3.30.0130.04013.92
5.3.20.0130.04313.60
5.3.10.0030.05713.66
5.3.00.0070.05313.73
5.2.170.0100.05311.07
5.2.160.0070.04311.09
5.2.150.0100.03710.90
5.2.140.0130.03311.14
5.2.130.0030.04011.03
5.2.120.0230.03311.25
5.2.110.0230.03311.20
5.2.100.0070.03711.01
5.2.90.0100.04310.98
5.2.80.0130.03311.02
5.2.70.0130.05011.00
5.2.60.0000.04711.07
5.2.50.0000.04311.02
5.2.40.0000.05010.98
5.2.30.0070.03710.98
5.2.20.0000.04010.89
5.2.10.0130.04310.62
5.2.00.0070.04010.63
5.1.60.0000.04310.18
5.1.50.0000.04310.04
5.1.40.0100.03010.06
5.1.30.0030.03310.23
5.1.20.0100.03710.24
5.1.10.0030.03710.25
5.1.00.0030.03710.00
5.0.50.0030.0378.62
5.0.40.0030.0278.55
5.0.30.0030.0438.31
5.0.20.0070.0278.18
5.0.10.0000.0308.11
5.0.00.0030.0408.30
4.4.90.0000.0235.92
4.4.80.0000.0235.92
4.4.70.0000.0305.92
4.4.60.0030.0275.92
4.4.50.0000.0235.92
4.4.40.0000.0335.92
4.4.30.0030.0205.92
4.4.20.0030.0305.96
4.4.10.0070.0275.92
4.4.00.0000.0335.92
4.3.110.0000.0235.92
4.3.100.0070.0175.92
4.3.90.0070.0235.91
4.3.80.0100.0335.91
4.3.70.0070.0235.91
4.3.60.0100.0135.91
4.3.50.0070.0275.91
4.3.40.0070.0405.91
4.3.30.0000.0235.91
4.3.20.0000.0235.91
4.3.10.0000.0235.91
4.3.00.0100.0207.75

preferences:
54.14 ms | 401 KiB | 5 Q