3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = ''; $bar = !empty($foo); var_dump($bar);

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)
8.3.40.0000.01418.59
8.3.30.0040.01118.59
8.3.20.0080.00018.66
8.3.10.0050.00320.39
8.3.00.0040.00417.38
8.2.170.0110.00422.96
8.2.160.0130.00722.13
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0000.01019.74
8.2.110.0070.00320.97
8.2.100.0080.00317.78
8.2.90.0060.00319.27
8.2.80.0000.00718.04
8.2.70.0000.00917.50
8.2.60.0050.00318.03
8.2.50.0000.00818.07
8.2.40.0090.00018.22
8.2.30.0050.00217.99
8.2.20.0050.00217.52
8.2.10.0080.00017.67
8.2.00.0040.00417.79
8.1.270.0030.00624.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.53
8.1.230.0040.00721.03
8.1.220.0040.00417.79
8.1.210.0050.00318.85
8.1.200.0030.00617.12
8.1.190.0040.00417.53
8.1.180.0050.00318.10
8.1.170.0000.00818.75
8.1.160.0040.00418.84
8.1.150.0030.00618.62
8.1.140.0090.00317.49
8.1.130.0030.00317.68
8.1.120.0000.00717.50
8.1.110.0050.00217.36
8.1.100.0080.00017.40
8.1.90.0000.00717.46
8.1.80.0000.00717.39
8.1.70.0000.00717.43
8.1.60.0060.00317.46
8.1.50.0000.00717.47
8.1.40.0050.00217.52
8.1.30.0000.00817.64
8.1.20.0040.00417.61
8.1.10.0050.00217.34
8.1.00.0040.00417.41
8.0.300.0070.00020.04
8.0.290.0000.00816.63
8.0.280.0030.00318.30
8.0.270.0000.00717.24
8.0.260.0030.00316.71
8.0.250.0000.00716.91
8.0.240.0080.00016.86
8.0.230.0040.00416.92
8.0.220.0070.00016.93
8.0.210.0000.00716.80
8.0.200.0060.00016.80
8.0.190.0090.00016.91
8.0.180.0050.00216.82
8.0.170.0040.00416.79
8.0.160.0040.00416.91
8.0.150.0080.00016.87
8.0.140.0070.00016.88
8.0.130.0000.00613.39
8.0.120.0070.00016.72
8.0.110.0000.00816.88
8.0.100.0000.00716.91
8.0.90.0000.00716.88
8.0.80.0040.01216.93
8.0.70.0000.00816.75
8.0.60.0070.00016.99
8.0.50.0000.00716.67
8.0.30.0110.01316.84
8.0.20.0080.01117.17
8.0.10.0040.00416.88
8.0.00.0100.00716.79
7.4.330.0000.00514.77
7.4.320.0000.00616.41
7.4.300.0000.00716.56
7.4.290.0030.00316.57
7.4.280.0090.00016.39
7.4.270.0040.00416.48
7.4.260.0000.00513.25
7.4.250.0040.00416.42
7.4.240.0000.00816.38
7.4.230.0030.00516.62
7.4.220.0120.00316.54
7.4.210.0060.01016.52
7.4.200.0040.00416.52
7.4.190.0030.00316.34
7.4.160.0060.00916.57
7.4.150.0110.00817.07
7.4.140.0060.01117.25
7.4.130.0070.01016.40
7.4.120.0060.01016.49
7.4.110.0080.01116.34
7.4.100.0120.00616.40
7.4.90.0140.00316.48
7.4.80.0180.00318.80
7.4.70.0000.01716.42
7.4.60.0070.01016.23
7.4.50.0000.00620.34
7.4.40.0070.01021.69
7.4.30.0110.00616.36
7.4.00.0080.00814.83
7.3.330.0030.00313.06
7.3.320.0030.00312.97
7.3.310.0070.00015.99
7.3.300.0030.00316.09
7.3.290.0030.01616.11
7.3.280.0040.01216.11
7.3.270.0060.01017.07
7.3.260.0110.01018.24
7.3.250.0100.00816.24
7.3.240.0140.00316.46
7.3.230.0130.00316.27
7.3.210.0140.00616.25
7.3.200.0070.01019.39
7.3.190.0130.01016.32
7.3.180.0090.00616.16
7.3.170.0110.00816.38
7.3.160.0120.00316.34
7.3.120.0040.01114.82
7.2.330.0150.00316.40
7.2.320.0100.01316.16
7.2.310.0100.01316.15
7.2.300.0060.00916.60
7.2.290.0090.00616.60
7.2.60.0060.00316.54
7.1.200.0080.00415.53
7.1.70.0030.00717.13
7.1.60.0150.00919.40
7.1.50.0040.01516.80
7.1.00.0030.07322.33
7.0.200.0030.00716.84
7.0.140.0030.07322.16
7.0.120.0030.03022.17
7.0.60.0300.03320.05
7.0.50.0000.09317.82
7.0.40.0130.04020.08
7.0.30.0330.08320.17
7.0.20.0070.05320.01
7.0.10.0070.04320.12
7.0.00.0030.08720.17
5.6.280.0000.07721.03
5.6.210.0130.08020.60
5.6.200.0130.04718.08
5.6.190.0030.08320.43
5.6.180.0170.04720.64
5.6.170.0170.05020.45
5.6.160.0070.04720.48
5.6.150.0030.08318.15
5.6.140.0030.08018.12
5.6.130.0070.04318.10
5.6.120.0100.06320.98
5.6.110.0130.07721.09
5.6.100.0070.08321.02
5.6.90.0070.08720.96
5.6.80.0100.03320.37
5.5.350.0070.07320.35
5.5.340.0070.06017.88
5.5.330.0100.04020.21
5.5.320.0300.07320.30
5.5.310.0200.07720.21
5.5.300.0130.07017.91
5.5.290.0100.08017.97
5.5.280.0070.04020.96
5.5.270.0170.07320.75
5.5.260.0100.04320.75
5.5.250.0070.05020.57
5.5.240.0070.08020.14
5.4.450.0070.06319.12
5.4.440.0100.03719.47
5.4.430.0070.04019.46
5.4.420.0100.04019.23
5.4.410.0070.03718.98
5.4.400.0030.05719.21
5.4.390.0100.03719.09
5.4.380.0070.07019.08
5.4.370.0070.08019.08
5.4.360.0030.06718.81
5.4.350.0130.06319.18
5.4.340.0030.03718.81
5.4.320.0070.04719.05
5.4.310.0030.05719.00
5.4.300.0100.04019.07
5.4.290.0070.05319.18
5.4.280.0100.08719.08
5.4.270.0030.04018.79
5.4.260.0030.03718.81
5.4.250.0030.06319.15
5.4.240.0070.04319.17
5.4.230.0130.07019.17
5.4.220.0070.06018.78
5.4.210.0030.06319.14
5.4.200.0100.07019.17
5.4.190.0070.04018.90
5.4.180.0100.06719.13
5.4.170.0130.06018.78
5.4.160.0170.06719.05
5.4.150.0070.07019.05
5.4.140.0100.03316.21
5.4.130.0030.03716.38
5.4.120.0170.06716.16
5.4.110.0070.05016.28
5.4.100.0100.07316.14
5.4.90.0030.08016.40
5.4.80.0030.07716.26
5.4.70.0070.07716.13
5.4.60.0070.06716.26
5.4.50.0170.06716.21
5.4.40.0100.06016.23
5.4.30.0100.03016.23
5.4.20.0070.07316.21
5.4.10.0070.04316.32
5.4.00.0070.07015.65
5.3.290.0000.08014.59
5.3.280.0070.07714.51
5.3.270.0030.07314.55
5.3.260.0070.07314.54
5.3.250.0030.06314.53
5.3.240.0130.06714.58
5.3.230.0070.06714.38
5.3.220.0000.05014.37
5.3.210.0070.04014.52
5.3.200.0100.03314.44
5.3.190.0030.06314.50
5.3.180.0070.07714.48
5.3.170.0030.07714.46
5.3.160.0100.07714.54
5.3.150.0030.04014.44
5.3.140.0000.08314.47
5.3.130.0070.03714.63
5.3.120.0070.04314.52
5.3.110.0070.06314.47
5.3.100.0130.04013.86
5.3.90.0070.06713.91
5.3.80.0030.07713.94
5.3.70.0070.07713.84
5.3.60.0070.07713.96
5.3.50.0100.05713.90
5.3.40.0100.05713.86
5.3.30.0130.07313.72
5.3.20.0070.07013.57
5.3.10.0000.05013.67
5.3.00.0030.05313.57
5.2.170.0070.06011.04
5.2.160.0000.04711.11
5.2.150.0100.03011.07
5.2.140.0030.03311.22
5.2.130.0030.04310.98
5.2.120.0100.04711.08
5.2.110.0100.05010.97
5.2.100.0030.04311.03
5.2.90.0030.06311.03
5.2.80.0100.03011.07
5.2.70.0030.03711.07
5.2.60.0000.03010.94
5.2.50.0070.02710.95
5.2.40.0000.03010.87
5.2.30.0000.03011.05
5.2.20.0000.03011.03
5.2.10.0030.02710.81
5.2.00.0030.03010.73
5.1.60.0000.0239.89
5.1.50.0000.0279.98
5.1.40.0030.02310.05
5.1.30.0030.02310.23
5.1.20.0030.03710.34
5.1.10.0000.02710.06
5.1.00.0070.03010.01
5.0.50.0000.0238.60
5.0.40.0000.0208.31
5.0.30.0030.0378.21
5.0.20.0000.0208.17
5.0.10.0000.0208.22
5.0.00.0030.0308.17
4.4.90.0000.0178.17
4.4.80.0000.0178.17
4.4.70.0000.0178.17
4.4.60.0000.0178.17
4.4.50.0000.0138.17
4.4.40.0000.0238.17
4.4.30.0000.0178.17
4.4.20.0070.0108.17
4.4.10.0000.0178.17
4.4.00.0000.0278.17
4.3.110.0000.0278.17
4.3.100.0000.0178.17
4.3.90.0030.0178.17
4.3.80.0070.0238.17
4.3.70.0000.0178.17
4.3.60.0070.0108.17
4.3.50.0000.0208.17
4.3.40.0000.0238.17
4.3.30.0000.0278.17
4.3.20.0000.0178.17
4.3.10.0000.0178.17
4.3.00.0000.0138.17

preferences:
38.61 ms | 400 KiB | 5 Q