3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(empty($myvar)){ if(isset($myvar)) echo $myvar; else echo "variable not set"; } if(!$myVar) { echo "variable not sessst" ; } if($input === 0) echo "1223";

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)
8.3.60.0070.01018.31
8.3.50.0080.00721.14
8.3.40.0110.00418.67
8.3.30.0030.01020.27
8.3.20.0000.00720.09
8.3.10.0040.00422.09
8.3.00.0000.00822.27
8.2.180.0070.00716.50
8.2.170.0140.00322.96
8.2.160.0110.00420.52
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0040.01426.16
8.2.120.0060.00319.61
8.2.110.0030.00722.08
8.2.100.0110.00019.33
8.2.90.0090.00019.05
8.2.80.0080.00019.15
8.2.70.0060.00317.49
8.2.60.0030.00917.68
8.2.50.0040.00418.07
8.2.40.0070.00018.22
8.2.30.0040.00417.86
8.2.20.0000.00717.55
8.2.10.0030.00517.63
8.2.00.0050.00517.58
8.1.280.0170.00325.92
8.1.270.0040.00424.66
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00623.79
8.1.230.0070.00319.16
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.10
8.1.190.0080.00017.41
8.1.180.0040.00420.10
8.1.170.0040.00418.45
8.1.160.0030.00422.19
8.1.150.0040.00418.62
8.1.140.0040.00417.36
8.1.130.0030.00317.67
8.1.120.0050.00517.30
8.1.110.0030.00517.28
8.1.100.0000.00817.39
8.1.90.0070.00017.33
8.1.80.0050.00217.21
8.1.70.0030.00317.24
8.1.60.0080.00017.50
8.1.50.0000.00817.33
8.1.40.0040.00417.32
8.1.30.0000.00817.46
8.1.20.0040.00417.57
8.1.10.0000.00817.47
8.1.00.0050.00217.23
8.0.300.0060.00318.77
8.0.290.0070.00017.05
8.0.280.0000.00718.34
8.0.270.0030.00317.05
8.0.260.0000.00716.81
8.0.250.0000.00616.82
8.0.240.0040.00416.88
8.0.230.0050.00316.81
8.0.220.0030.00316.88
8.0.210.0040.00416.84
8.0.200.0000.00716.93
8.0.190.0030.00316.78
8.0.180.0070.00016.91
8.0.170.0090.00016.88
8.0.160.0000.00716.79
8.0.150.0030.00316.77
8.0.140.0050.00316.74
8.0.130.0000.00513.24
8.0.120.0000.00816.83
8.0.110.0070.00016.73
8.0.100.0040.00416.94
8.0.90.0040.00416.74
8.0.80.0110.00316.91
8.0.70.0000.00716.76
8.0.60.0000.00716.90
8.0.50.0000.00716.67
8.0.30.0060.01217.08
8.0.20.0050.01217.40
8.0.10.0070.00016.82
8.0.00.0080.01116.73
7.4.330.0000.00615.00
7.4.320.0060.00016.33
7.4.300.0060.00016.43
7.4.290.0000.00716.56
7.4.280.0060.00016.50
7.4.270.0000.00716.53
7.4.260.0070.00016.32
7.4.250.0040.00416.49
7.4.240.0050.00216.50
7.4.230.0030.00316.61
7.4.220.0070.01116.39
7.4.210.0080.00616.47
7.4.200.0030.00316.53
7.4.190.0030.00516.40
7.4.160.0090.00616.35
7.4.150.0170.00317.40
7.4.140.0180.00217.86
7.4.130.0050.01316.48
7.4.120.0050.01416.48
7.4.110.0130.00716.48
7.4.100.0140.00316.43
7.4.90.0060.01116.29
7.4.80.0090.00919.39
7.4.70.0060.01216.55
7.4.60.0110.00616.51
7.4.50.0000.00816.52
7.4.40.0120.00322.77
7.4.30.0090.00916.52
7.4.00.0030.01015.04
7.3.330.0060.00012.98
7.3.320.0020.00212.97
7.3.310.0000.00716.04
7.3.300.0060.00016.23
7.3.290.0130.00616.29
7.3.280.0090.00716.22
7.3.270.0080.00817.40
7.3.260.0110.01116.47
7.3.250.0150.00716.36
7.3.240.0030.01316.60
7.3.230.0100.00816.39
7.3.210.0110.00416.18
7.3.200.0060.01219.39
7.3.190.0030.01716.26
7.3.180.0100.01016.41
7.3.170.0060.00916.42
7.3.160.0080.00816.49
7.3.120.0070.01014.73
7.2.330.0110.00816.56
7.2.320.0100.01016.55
7.2.310.0070.01316.35
7.2.300.0120.00416.24
7.2.290.0090.01016.50
7.2.00.0070.00718.94
7.1.100.0030.01017.73
7.1.70.0000.01217.21
7.1.60.0100.01419.29
7.1.50.0100.01416.86
7.1.00.0000.03722.33
7.0.200.0220.00414.77
7.0.140.0070.07021.96
7.0.60.1400.06320.04
7.0.50.0030.08017.88
7.0.40.0000.04719.90
7.0.30.0270.04320.02
7.0.20.0430.04720.13
7.0.10.0070.04020.09
7.0.00.0170.07320.17
5.6.280.0070.06721.11
5.6.210.1270.06020.55
5.6.200.0130.03018.13
5.6.190.0100.08320.63
5.6.180.0330.05720.61
5.6.170.0530.07320.40
5.6.160.0200.07020.61
5.6.150.0030.08318.11
5.6.140.0000.06018.12
5.6.130.0170.07318.11
5.6.120.0030.07321.01
5.6.110.0100.07721.12
5.6.100.0000.04321.07
5.6.90.0130.08020.99
5.6.80.0100.05720.38
5.5.350.0170.08320.31
5.5.340.0070.04317.99
5.5.330.0130.07020.07
5.5.320.0400.07020.28
5.5.310.0100.05720.17
5.5.300.0030.03717.88
5.5.290.0000.04317.91
5.5.280.0000.07720.64
5.5.270.0070.07320.95
5.5.260.0100.07020.95
5.5.250.0000.04720.57
5.5.240.0000.08020.05
5.4.450.0630.05719.46
5.4.440.0770.05319.08
5.4.430.0130.06019.27
5.4.420.0100.06019.35
5.4.410.0130.05018.95
5.4.400.0130.05018.79
5.4.390.0100.05018.70
5.4.380.0200.04318.70
5.4.370.0100.05718.77
5.4.360.0200.04318.48
5.4.350.0040.03811.97
5.4.340.0040.04111.96
5.4.320.0040.04612.45
5.4.310.0040.04212.45
5.4.300.0060.03712.45
5.4.290.0050.03912.45
5.4.280.0040.03612.35
5.4.270.0110.04312.35
5.4.260.0100.03312.34
5.4.250.0100.05018.84
5.4.240.0100.05318.87
5.4.230.0070.05318.89
5.4.220.0130.05318.74
5.4.210.0100.07318.86
5.4.200.0070.07718.96
5.4.190.0170.06318.66
5.4.180.0130.05018.71
5.4.170.0170.05718.70
5.4.160.0030.05318.83
5.4.150.0030.06318.95
5.4.140.0030.06316.54
5.4.130.0070.05016.48
5.4.120.0170.05716.48
5.4.110.0170.04016.38
5.4.100.0130.06316.16
5.4.90.0130.04016.47
5.4.80.0070.04716.47
5.4.70.0100.06716.37
5.4.60.0130.04716.43
5.4.50.0070.05016.28
5.4.40.0170.04016.20
5.4.30.0030.05316.28
5.4.20.0130.06016.32
5.4.10.0030.05316.46
5.4.00.0030.06715.89
5.3.290.0050.04312.80
5.3.280.0070.05314.60
5.3.270.0170.06714.46
5.3.260.0130.04714.45
5.3.250.0070.05314.59
5.3.240.0100.05014.59
5.3.230.0100.05014.60
5.3.220.0070.05014.61
5.3.210.0070.05314.57
5.3.200.0100.04714.42
5.3.190.0130.05014.57
5.3.180.0000.06014.26
5.3.170.0030.06714.45
5.3.160.0070.05014.57
5.3.150.0000.05714.65
5.3.140.0000.06014.55
5.3.130.0170.04714.63
5.3.120.0100.06714.55
5.3.110.0100.06014.70
5.3.100.0030.05314.05
5.3.90.0200.04313.89
5.3.80.0130.05713.92
5.3.70.0170.04313.87
5.3.60.0070.06313.85
5.3.50.0170.04313.91
5.3.40.0170.06713.96
5.3.30.0100.06013.61
5.3.20.0130.04313.38
5.3.10.0200.04013.66
5.3.00.0070.05013.63
5.2.170.0030.05011.16
5.2.160.0030.05710.97
5.2.150.0200.04311.25
5.2.140.0100.05011.25
5.2.130.0000.06311.19
5.2.120.0030.04311.00
5.2.110.0100.03711.19
5.2.100.0100.03711.00
5.2.90.0100.05311.09
5.2.80.0070.04011.10
5.2.70.0030.04311.20
5.2.60.0070.05711.08
5.2.50.0070.04310.93
5.2.40.0030.05011.09
5.2.30.0170.03710.75
5.2.20.0000.04310.96
5.2.10.0070.03711.07
5.2.00.0030.04010.79
5.1.60.0070.03010.18
5.1.50.0070.04010.05
5.1.40.0130.0409.74
5.1.30.0030.03710.30
5.1.20.0070.03710.24
5.1.10.0100.0339.91
5.1.00.0000.0409.97
5.0.50.0070.0278.59
5.0.40.0030.0278.34
5.0.30.0070.0538.07
5.0.20.0030.0378.22
5.0.10.0000.0338.25
5.0.00.0070.0438.21
4.4.90.0000.0337.43
4.4.80.0030.0307.43
4.4.70.0030.0277.43
4.4.60.0030.0207.43
4.4.50.0100.0137.43
4.4.40.0030.0337.43
4.4.30.0030.0207.43
4.4.20.0100.0277.43
4.4.10.0030.0207.43
4.4.00.0030.0337.43
4.3.110.0000.0337.43
4.3.100.0000.0237.43
4.3.90.0070.0177.43
4.3.80.0000.0437.43
4.3.70.0030.0237.43
4.3.60.0100.0137.43
4.3.50.0000.0237.43
4.3.40.0000.0377.43
4.3.30.0030.0237.43
4.3.20.0000.0237.43
4.3.10.0000.0277.43
4.3.00.0170.0176.92

preferences:
41.57 ms | 401 KiB | 5 Q