3v4l.org

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

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)
8.3.40.0120.00318.77
8.3.30.0090.00619.06
8.3.20.0050.00221.93
8.3.10.0000.00822.13
8.3.00.0070.00022.46
8.2.170.0100.01022.96
8.2.160.0090.00920.89
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0060.00319.25
8.2.110.0050.00522.02
8.2.100.0080.00419.64
8.2.90.0000.00719.41
8.2.80.0000.00919.65
8.2.70.0030.00517.63
8.2.60.0030.00517.80
8.2.50.0080.00018.07
8.2.40.0040.00418.16
8.2.30.0050.00318.07
8.2.20.0030.00517.65
8.2.10.0040.00417.84
8.2.00.0080.00017.61
8.1.270.0040.00422.02
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0070.00323.97
8.1.230.0030.00819.00
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.00
8.1.190.0040.00417.41
8.1.180.0000.00818.10
8.1.170.0000.00818.55
8.1.160.0040.00421.91
8.1.150.0030.00518.50
8.1.140.0070.00017.45
8.1.130.0030.00517.82
8.1.120.0000.00717.47
8.1.110.0070.00017.38
8.1.100.0040.00417.32
8.1.90.0030.00317.42
8.1.80.0000.00817.30
8.1.70.0030.00517.47
8.1.60.0030.00617.55
8.1.50.0050.00217.46
8.1.40.0040.00417.52
8.1.30.0040.00417.54
8.1.20.0040.00417.70
8.1.10.0030.00517.41
8.1.00.0020.00517.38
8.0.300.0070.00018.77
8.0.290.0040.00417.18
8.0.280.0000.00718.47
8.0.270.0030.00317.24
8.0.260.0060.00016.76
8.0.250.0000.00616.95
8.0.240.0030.00516.93
8.0.230.0000.00816.84
8.0.220.0030.00316.75
8.0.210.0000.00716.89
8.0.200.0000.00616.90
8.0.190.0030.00316.89
8.0.180.0000.00816.79
8.0.170.0080.00016.87
8.0.160.0000.00816.82
8.0.150.0000.00716.80
8.0.140.0030.00516.72
8.0.130.0030.00313.26
8.0.120.0000.00816.70
8.0.110.0000.00816.79
8.0.100.0040.00416.87
8.0.90.0050.00216.94
8.0.80.0120.01016.87
8.0.70.0070.00016.70
8.0.60.0000.00716.73
8.0.50.0040.00416.99
8.0.30.0110.00716.99
8.0.20.0120.00617.40
8.0.10.0000.00816.90
8.0.00.0150.00416.71
7.4.330.0000.00515.09
7.4.320.0000.00616.63
7.4.300.0040.00416.55
7.4.290.0070.00016.59
7.4.280.0000.00716.52
7.4.270.0040.00416.52
7.4.260.0070.00016.57
7.4.250.0070.00016.38
7.4.240.0040.00416.49
7.4.230.0070.00016.68
7.4.220.0120.01516.50
7.4.210.0050.01116.56
7.4.200.0030.00316.32
7.4.190.0030.00316.38
7.4.160.0130.00316.26
7.4.150.0090.01217.40
7.4.140.0080.01017.86
7.4.130.0050.01216.39
7.4.120.0080.00916.51
7.4.110.0030.01716.46
7.4.100.0130.00616.41
7.4.90.0100.00716.55
7.4.80.0060.01219.39
7.4.70.0170.00016.50
7.4.60.0080.00816.33
7.4.50.0050.00316.42
7.4.40.0040.01122.77
7.4.30.0070.01016.56
7.4.00.0000.01514.89
7.3.330.0000.00512.91
7.3.320.0050.00013.06
7.3.310.0000.00716.05
7.3.300.0030.00316.11
7.3.290.0140.00716.11
7.3.280.0060.01116.13
7.3.270.0070.01017.40
7.3.260.0120.00916.42
7.3.250.0160.00216.18
7.3.240.0090.00916.34
7.3.230.0120.00316.39
7.3.210.0090.00616.30
7.3.200.0120.00619.39
7.3.190.0090.01416.37
7.3.180.0080.00816.17
7.3.170.0070.01016.45
7.3.160.0070.01016.08
7.3.120.0070.00414.50
7.2.330.0100.00716.23
7.2.320.0110.00816.60
7.2.310.0130.00916.20
7.2.300.0060.00916.58
7.2.290.0120.00416.55
7.2.00.0040.00719.18
7.1.100.0000.01418.11
7.1.70.0000.00816.99
7.1.60.0030.01519.82
7.1.50.0070.01516.72
7.1.00.0030.07722.45
7.0.200.0090.00616.74
7.0.140.0070.07022.01
7.0.100.0070.05321.84
7.0.90.0070.07721.73
7.0.80.0030.07021.74
7.0.70.0000.05021.93
7.0.60.0030.05021.86
7.0.50.0030.08022.15
7.0.40.0070.09020.04
7.0.30.0000.08319.95
7.0.20.0000.07319.95
7.0.10.0030.05020.00
7.0.00.0030.05319.95
5.6.280.0000.07720.89
5.6.250.0070.08320.60
5.6.240.0030.06720.68
5.6.230.0070.08020.75
5.6.220.0000.09020.58
5.6.210.0070.06720.68
5.6.200.0070.08321.14
5.6.190.0100.07321.16
5.6.180.0030.06021.00
5.6.170.0030.05021.16
5.6.160.0030.08021.11
5.6.150.0030.07021.17
5.6.140.0070.08321.09
5.6.130.0070.08321.10
5.6.120.0070.07320.93
5.6.110.0070.04721.03
5.6.100.0030.07320.97
5.6.90.0030.08020.98
5.6.80.0030.08020.44
5.6.70.0000.06720.41
5.6.60.0100.07720.32
5.6.50.0170.07320.34
5.6.40.0030.08720.47
5.6.30.0070.08020.39
5.6.20.0070.07320.36
5.6.10.0000.08020.30
5.6.00.0030.05320.33
5.5.380.0070.08020.34
5.5.370.0000.08320.42
5.5.360.0070.07020.53
5.5.350.0070.06720.39
5.5.340.0030.07720.83
5.5.330.0030.07320.80
5.5.320.0030.08320.82
5.5.310.0030.08720.80
5.5.300.0030.08020.77
5.5.290.0070.08020.76
5.5.280.0030.08320.92
5.5.270.0070.08020.62
5.5.260.0000.07720.91
5.5.250.0130.06720.73
5.5.240.0030.08020.30
5.5.230.0000.08320.23
5.5.220.0070.04320.21
5.5.210.0030.06720.11
5.5.200.0100.05720.22
5.5.190.0070.07320.13
5.5.180.0100.07320.23
5.5.160.0000.08320.24
5.5.150.0030.07720.24
5.5.140.0030.05020.25
5.5.130.0070.07020.22
5.5.120.0100.04020.12
5.5.110.0030.08020.20
5.5.100.0130.04320.01
5.5.90.0030.04020.15
5.5.80.0030.07720.12
5.5.70.0000.06320.03
5.5.60.0030.07320.15
5.5.50.0130.03720.13
5.5.40.0030.07719.92
5.5.30.0070.07320.14
5.5.20.0030.05020.07
5.5.10.0100.08020.13
5.5.00.0030.07320.09
5.4.450.0070.07319.56
5.4.440.0100.06019.43
5.4.430.0070.07019.55
5.4.420.0070.06719.37
5.4.410.0030.06019.33
5.4.400.0070.07318.95
5.4.390.0000.08318.92
5.4.380.0030.07319.04
5.4.370.0070.07719.12
5.4.360.0070.07319.10
5.4.350.0070.06319.12
5.4.340.0070.07018.98
5.4.320.0000.08019.03
5.4.310.0030.07319.23
5.4.300.0070.07319.09
5.4.290.0030.07018.78
5.4.280.0030.04719.02
5.4.270.0000.04318.80
5.4.260.0030.07718.92
5.4.250.0070.07719.02
5.4.240.0030.08018.98
5.4.230.0030.07319.22
5.4.220.0030.07718.89
5.4.210.0000.06719.11
5.4.200.0030.07018.98
5.4.190.0030.07719.02
5.4.180.0030.07319.06
5.4.170.0000.08018.78
5.4.160.0100.07019.21
5.4.150.0000.08019.00
5.4.140.0100.04016.20
5.4.130.0030.07316.26
5.4.120.0000.06716.30
5.4.110.0000.05016.24
5.4.100.0070.07016.26
5.4.90.0000.07016.41
5.4.80.0000.07316.20
5.4.70.0170.05316.45
5.4.60.0000.06016.21
5.4.50.0030.06716.46
5.4.40.0030.04016.39
5.4.30.0000.07016.27
5.4.20.0070.06316.42
5.4.10.0000.07716.19
5.4.00.0170.06015.71
5.3.290.0130.06014.66
5.3.280.0100.07014.59
5.3.270.0030.06714.56
5.3.260.0070.06714.46
5.3.250.0030.06714.61
5.3.240.0030.07314.42
5.3.230.0070.07314.55
5.3.220.0030.07714.42
5.3.210.0030.07314.42
5.3.200.0070.06714.56
5.3.190.0230.02714.55
5.3.180.0000.04714.56
5.3.170.0000.07714.41
5.3.160.0070.07314.42
5.3.150.0000.07314.55
5.3.140.0030.04314.51
5.3.130.0130.06714.41
5.3.120.0070.07314.49
5.3.110.0030.07714.53
5.3.100.0030.07314.02
5.3.90.0070.07013.84
5.3.80.0000.03713.98
5.3.70.0000.03713.88
5.3.60.0070.06013.86
5.3.50.0030.04713.80
5.3.40.0000.05013.80
5.3.30.0070.07013.86
5.3.20.0030.04013.68
5.3.10.0030.06713.66
5.3.00.0000.07013.54
5.2.170.0030.05711.19
5.2.160.0000.06011.09
5.2.150.0000.04011.09
5.2.140.0000.04010.96
5.2.130.0000.06011.14
5.2.120.0000.05711.04
5.2.110.0070.05710.94
5.2.100.0030.05711.11
5.2.90.0070.05711.17
5.2.80.0030.06310.88
5.2.70.0030.06311.09
5.2.60.0030.05711.09
5.2.50.0000.06311.00
5.2.40.0000.06310.99
5.2.30.0070.05710.79
5.2.20.0070.06010.95
5.2.10.0030.06010.89
5.2.00.0070.05310.66
5.1.60.0030.05010.07
5.1.50.0030.03010.07
5.1.40.0070.0339.96
5.1.30.0000.05710.21
5.1.20.0000.05710.28
5.1.10.0030.05010.12
5.1.00.0030.03010.09
5.0.50.0030.0478.54
5.0.40.0000.0478.41
5.0.30.0030.0378.41
5.0.20.0000.0438.41
5.0.10.0070.0408.41
5.0.00.0070.0338.41
4.4.90.0030.0338.41
4.4.80.0000.0338.41
4.4.70.0000.0378.41
4.4.60.0030.0338.41
4.4.50.0000.0408.41
4.4.40.0000.0508.41
4.4.30.0070.0308.41
4.4.20.0030.0338.41
4.4.10.0030.0338.41
4.4.00.0000.0508.41
4.3.110.0070.0338.41
4.3.100.0000.0338.41
4.3.90.0030.0278.41
4.3.80.0000.0538.41
4.3.70.0000.0308.41
4.3.60.0000.0378.41
4.3.50.0000.0308.41
4.3.40.0000.0538.41
4.3.30.0000.0308.41
4.3.20.0000.0278.41
4.3.10.0000.0378.41
4.3.00.0030.0338.41

preferences:
40.71 ms | 400 KiB | 5 Q