3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (isset($foo) && $LEL) { echo 'True'; } else { echo 'False'; }

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)
8.3.70.0070.00716.63
8.3.60.0070.01416.75
8.3.50.0100.01016.34
8.3.40.0150.00018.71
8.3.30.0140.00418.59
8.3.20.0110.00418.58
8.3.10.0080.00020.42
8.3.00.0080.00419.38
8.2.180.0070.01116.50
8.2.170.0070.00722.96
8.2.160.0070.00718.69
8.2.150.0050.00324.18
8.2.140.0040.01124.66
8.2.130.0070.00026.16
8.2.120.0040.00418.71
8.2.110.0100.00020.43
8.2.100.0060.00617.78
8.2.90.0080.00017.91
8.2.80.0080.00017.97
8.2.70.0050.00317.38
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0060.00318.03
8.2.30.0040.00417.97
8.2.20.0030.00719.44
8.2.10.0040.00417.59
8.2.00.0040.00417.42
8.1.280.0150.00425.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00620.61
8.1.230.0060.00620.86
8.1.220.0040.00417.74
8.1.210.0000.00818.91
8.1.200.0060.00317.13
8.1.190.0040.00417.39
8.1.180.0070.00418.10
8.1.170.0000.00918.71
8.1.160.0050.00318.81
8.1.150.0080.00018.59
8.1.140.0050.00217.43
8.1.130.0030.00317.75
8.1.120.0070.00017.27
8.1.110.0000.00717.26
8.1.100.0000.00717.43
8.1.90.0040.00417.42
8.1.80.0070.00017.36
8.1.70.0030.00317.40
8.1.60.0040.00417.45
8.1.50.0040.00417.39
8.1.40.0030.00517.32
8.1.30.0000.00817.61
8.1.20.0050.00317.47
8.1.10.0040.00417.44
8.1.00.0050.00217.26
8.0.300.0040.00419.88
8.0.290.0040.00416.63
8.0.280.0000.00718.25
8.0.270.0040.00417.14
8.0.260.0000.00616.75
8.0.250.0070.00016.91
8.0.240.0000.00716.94
8.0.230.0030.00316.91
8.0.220.0030.00316.84
8.0.210.0000.00716.82
8.0.200.0030.00316.91
8.0.190.0000.00816.90
8.0.180.0000.00716.84
8.0.170.0080.00016.72
8.0.160.0030.00316.83
8.0.150.0070.00416.67
8.0.140.0080.00416.65
8.0.130.0030.00313.24
8.0.120.0000.00716.84
8.0.110.0000.00716.86
8.0.100.0040.00416.85
8.0.90.0070.00016.75
8.0.80.0060.00916.86
8.0.70.0000.00716.69
8.0.60.0000.00716.79
8.0.50.0000.00716.69
8.0.30.0030.01317.00
8.0.20.0060.01316.94
8.0.10.0050.00216.73
8.0.00.0060.01516.64
7.4.330.0000.00512.93
7.4.320.0000.00616.48
7.4.300.0050.00216.40
7.4.290.0030.00316.41
7.4.280.0040.00416.40
7.4.270.0000.00616.51
7.4.260.0100.00013.26
7.4.250.0070.00016.43
7.4.240.0040.00416.43
7.4.230.0070.00016.34
7.4.220.0120.01216.34
7.4.210.0050.01016.30
7.4.200.0030.00316.63
7.4.190.0000.00716.59
7.4.160.0130.00316.37
7.4.150.0100.00716.41
7.4.140.0060.01316.33
7.4.130.0110.00816.46
7.4.120.0060.01716.39
7.4.110.0070.01016.32
7.4.100.0030.01316.29
7.4.90.0090.00916.38
7.4.80.0140.00416.54
7.4.70.0060.00916.31
7.4.60.0070.00716.29
7.4.50.0000.00516.09
7.4.40.0060.00916.36
7.4.30.0120.00416.30
7.4.00.0060.00915.06
7.3.330.0000.00612.88
7.3.320.0060.00012.89
7.3.310.0070.00016.13
7.3.300.0000.00716.12
7.3.290.0050.00916.13
7.3.280.0060.01116.12
7.3.270.0060.01116.36
7.3.260.0110.00816.21
7.3.250.0140.00316.28
7.3.240.0140.00316.53
7.3.230.0060.01116.05
7.3.210.0090.00916.42
7.3.200.0090.01319.39
7.3.190.0090.00916.35
7.3.180.0110.00516.26
7.3.170.0100.00716.52
7.3.160.0070.01416.14
7.3.120.0120.00314.98
7.3.10.0050.00916.54
7.3.00.0080.00316.37
7.2.330.0150.00316.39
7.2.320.0110.01216.46
7.2.310.0100.00616.20
7.2.300.0090.00916.54
7.2.290.0140.00316.31
7.2.130.0060.00916.83
7.2.120.0060.00716.75
7.2.110.0010.01216.77
7.2.100.0070.00716.75
7.2.90.0050.00916.88
7.2.80.0030.00716.60
7.2.70.0100.00516.91
7.2.60.0050.00916.90
7.2.50.0040.01116.59
7.2.40.0070.01016.73
7.2.30.0060.00816.81
7.2.20.0060.00616.71
7.2.10.0070.01016.54
7.2.00.0010.01117.58
7.1.250.0060.00615.50
7.1.200.0030.00715.44
7.1.100.0290.00617.72
7.1.70.0100.00016.94
7.1.60.0130.01019.17
7.1.50.0070.01516.67
7.1.00.0070.07322.31
7.0.200.0420.00614.64
7.0.140.0000.07722.18
7.0.120.0070.07021.95
7.0.60.0100.03720.00
7.0.50.0170.07017.86
7.0.40.0100.08020.09
7.0.30.0130.09020.18
7.0.20.0370.07020.16
7.0.10.0100.05320.18
7.0.00.0100.08020.33
5.6.280.0030.07320.77
5.6.210.0030.09020.64
5.6.200.0000.07318.12
5.6.190.0070.07020.27
5.6.180.0200.08320.49
5.6.170.0170.05020.46
5.6.160.0030.04020.52
5.6.150.0000.06018.20
5.6.140.0070.05318.12
5.6.130.0100.08318.08
5.6.120.0130.05321.14
5.6.110.0100.08721.00
5.6.100.0130.07721.10
5.6.90.0100.06020.99
5.6.80.0030.03720.38
5.5.350.0230.08020.29
5.5.340.0000.05017.93
5.5.330.0070.04020.21
5.5.320.0330.05020.29
5.5.310.0270.04720.18
5.5.300.0100.07317.94
5.5.290.0030.07317.96
5.5.280.0100.04020.64
5.5.270.0070.04320.87
5.5.260.0070.08720.85
5.5.250.0070.08320.61
5.5.240.0070.07320.27
5.4.450.0170.04719.46
5.4.440.0230.08019.26
5.4.430.0170.04319.25
5.4.420.0200.08019.38
5.4.410.0200.07719.08
5.4.400.0230.06318.92
5.4.390.0230.06019.13
5.4.380.0230.06719.06
5.4.370.0400.06318.89
5.4.360.0370.04018.88
5.4.350.0230.07319.13
5.4.340.0270.04019.06
5.4.320.0100.04319.08
5.4.310.0270.06718.77
5.4.300.0230.07318.88
5.4.290.0200.05019.21
5.4.280.0200.07319.08
5.4.270.0170.04319.15
5.4.260.0200.03319.10
5.4.250.0270.03718.77
5.4.240.0070.05019.12
5.4.230.0130.04019.12
5.4.220.0200.07319.09
5.4.210.0270.05319.15
5.4.200.0130.04718.93
5.4.190.0200.04318.92
5.4.180.0230.06718.77
5.4.170.0230.06319.05
5.4.160.0170.08019.11
5.4.150.0300.06318.89
5.4.140.0230.04016.29
5.4.130.0170.07016.27
5.4.120.0200.03716.30
5.4.110.0170.04016.45
5.4.100.0230.07016.48
5.4.90.0270.06016.25
5.4.80.0200.07316.32
5.4.70.0230.05016.44
5.4.60.0230.05316.04
5.4.50.0270.03316.37
5.4.40.0230.07016.32
5.4.30.0100.07016.40
5.4.20.0330.05716.36
5.4.10.0270.05716.04
5.4.00.0200.06315.75
5.3.290.0170.04014.61
5.3.280.0230.06314.46
5.3.270.0300.05714.39
5.3.260.0200.06714.43
5.3.250.0270.06314.45
5.3.240.0230.04314.64
5.3.230.0200.05014.47
5.3.220.0200.07014.65
5.3.210.0200.06014.51
5.3.200.0230.07314.47
5.3.190.0200.06714.68
5.3.180.0270.06314.46
5.3.170.0170.04314.39
5.3.160.0300.05014.54
5.3.150.0200.06714.43
5.3.140.0270.06014.49
5.3.130.0270.07014.49
5.3.120.0230.07014.63
5.3.110.0300.06314.39
5.3.100.0200.04714.00
5.3.90.0230.04713.86
5.3.80.0170.03713.85
5.3.70.0230.07013.87
5.3.60.0230.04713.83
5.3.50.0170.04313.80
5.3.40.0200.04313.85
5.3.30.0230.05713.71
5.3.20.0100.04313.54
5.3.10.0130.05713.50
5.3.00.0230.06713.63
5.2.170.0200.03311.01
5.2.160.0170.03711.21
5.2.150.0200.03311.19
5.2.140.0100.04310.97
5.2.130.0200.06010.96
5.2.120.0200.03311.25
5.2.110.0170.02710.93
5.2.100.0000.03011.14
5.2.90.0030.05311.16
5.2.80.0030.05011.10
5.2.70.1230.02311.03
5.2.60.1530.03711.12
5.2.50.1300.03011.09
5.2.40.1030.03010.82
5.2.30.0100.03710.81
5.2.20.0030.03710.96
5.2.10.0000.04710.91
5.2.00.0130.03010.62
5.1.60.1270.0279.88
5.1.50.1070.0239.86
5.1.40.1100.0209.84
5.1.30.1030.03010.34
5.1.20.1100.02710.36
5.1.10.1400.0239.93
5.1.00.1270.04310.15
5.0.50.0600.0178.66
5.0.40.0670.0238.32
5.0.30.0530.0308.23
5.0.20.0470.0178.31
5.0.10.0000.0238.25
5.0.00.0030.0378.22
4.4.90.0070.0208.10
4.4.80.0000.0208.10
4.4.70.0000.0178.10
4.4.60.0000.0278.10
4.4.50.0000.0178.10
4.4.40.0000.0278.10
4.4.30.0600.0238.10
4.4.20.0500.0178.10
4.4.10.0530.0138.10
4.4.00.0500.0238.10
4.3.110.0500.0178.10
4.3.100.0500.0178.10
4.3.90.0570.0208.10
4.3.80.0630.0278.10
4.3.70.0630.0238.10
4.3.60.0770.0208.10
4.3.50.0530.0178.10
4.3.40.0370.0438.10
4.3.30.0000.0208.10
4.3.20.0000.0178.10
4.3.10.0000.0178.10
4.3.00.0000.0138.10

preferences:
71.08 ms | 401 KiB | 5 Q