3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'A'; if (! isset($var) || $var) { echo "not empty or not defiend or a null value"; } else { echo "empty"; } echo "\ninstead\n"; if (! empty($var)) { echo "not empty or not defiend or a null value"; } else { echo "empty"; }

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)
8.3.60.0090.00616.63
8.3.50.0120.00522.06
8.3.40.0070.01418.67
8.3.30.0110.00419.05
8.3.20.0090.00020.07
8.3.10.0040.00423.57
8.3.00.0040.00419.13
8.2.180.0110.01118.29
8.2.170.0070.00722.96
8.2.160.0030.01020.53
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00822.16
8.2.110.0060.00320.56
8.2.100.0060.00617.79
8.2.90.0000.00918.28
8.2.80.0050.00317.97
8.2.70.0030.00617.38
8.2.60.0050.00318.03
8.2.50.0090.00018.07
8.2.40.0030.00519.76
8.2.30.0000.00717.98
8.2.20.0040.00417.67
8.2.10.0040.00417.94
8.2.00.0040.00417.60
8.1.280.0130.00725.92
8.1.270.0040.00423.96
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0110.00722.20
8.1.230.0030.00920.90
8.1.220.0040.00417.74
8.1.210.0000.00919.03
8.1.200.0030.00617.22
8.1.190.0030.00617.23
8.1.180.0000.00818.10
8.1.170.0000.00818.42
8.1.160.0050.00221.89
8.1.150.0000.00718.67
8.1.140.0020.00517.42
8.1.130.0000.00717.84
8.1.120.0070.00017.38
8.1.110.0030.00717.13
8.1.100.0040.00417.34
8.1.90.0000.00817.46
8.1.80.0000.00717.37
8.1.70.0000.00717.29
8.1.60.0060.00317.51
8.1.50.0000.00817.39
8.1.40.0040.00417.54
8.1.30.0040.00417.51
8.1.20.0040.00417.52
8.1.10.0060.00317.41
8.1.00.0030.00617.52
8.0.300.0070.00020.23
8.0.290.0080.00017.30
8.0.280.0070.00018.50
8.0.270.0000.00717.35
8.0.260.0030.00317.21
8.0.250.0040.00416.94
8.0.240.0040.00416.89
8.0.230.0000.00716.80
8.0.220.0000.00716.87
8.0.210.0000.00716.98
8.0.200.0040.00416.96
8.0.190.0040.00416.93
8.0.180.0000.00716.92
8.0.170.0040.00416.82
8.0.160.0040.00416.80
8.0.150.0030.00416.87
8.0.140.0000.00816.76
8.0.130.0000.00513.28
8.0.120.0060.00316.77
8.0.110.0050.00316.88
8.0.100.0070.00016.77
8.0.90.0000.00716.87
8.0.80.0090.00616.95
8.0.70.0040.00416.79
8.0.60.0040.00416.96
8.0.50.0040.00416.72
8.0.30.0110.00817.18
8.0.20.0080.01017.40
8.0.10.0000.00716.96
8.0.00.0150.00416.91
7.4.330.0050.00015.00
7.4.320.0030.00316.51
7.4.300.0070.00016.62
7.4.290.0000.00716.52
7.4.280.0030.00316.51
7.4.270.0000.00616.63
7.4.260.0070.00016.41
7.4.250.0060.00316.57
7.4.240.0060.00116.55
7.4.230.0070.00016.40
7.4.220.0060.00916.67
7.4.210.0080.00816.62
7.4.200.0000.00716.39
7.4.190.0000.00716.56
7.4.160.0100.00716.48
7.4.150.0090.00917.40
7.4.140.0140.00517.86
7.4.130.0110.00816.41
7.4.120.0160.00516.61
7.4.110.0060.01216.58
7.4.100.0180.00616.35
7.4.90.0110.00716.36
7.4.80.0100.01319.39
7.4.70.0050.01716.60
7.4.60.0070.01016.36
7.4.50.0040.00416.43
7.4.40.0080.00816.28
7.4.30.0040.01116.36
7.4.00.0090.00915.10
7.3.330.0000.00613.07
7.3.320.0060.00013.12
7.3.310.0040.00416.27
7.3.300.0030.00316.25
7.3.290.0090.00616.25
7.3.280.0110.00816.20
7.3.270.0120.00617.40
7.3.260.0110.00616.22
7.3.250.0110.00616.36
7.3.240.0110.00516.50
7.3.230.0150.00316.39
7.3.210.0130.00416.37
7.3.200.0090.01319.39
7.3.190.0180.00016.34
7.3.180.0130.00316.54
7.3.170.0060.00916.27
7.3.160.0090.00616.25
7.3.120.0090.00315.00
7.2.330.0060.01216.29
7.2.320.0100.01016.19
7.2.310.0160.00016.46
7.2.300.0040.01116.41
7.2.290.0210.00316.61
7.2.60.0040.01216.87
7.2.00.0060.00618.93
7.1.200.0000.01415.71
7.1.100.0040.00718.12
7.1.70.0060.00817.01
7.1.60.0090.01519.46
7.1.50.0070.02634.77
7.1.00.0030.07322.28
7.0.200.0030.00616.25
7.0.140.0030.06721.95
7.0.80.0570.07719.98
7.0.70.0130.07019.93
7.0.60.0300.04319.96
7.0.50.0600.08020.34
7.0.40.0100.08320.18
7.0.30.0000.08719.96
7.0.20.0000.05720.08
7.0.10.0000.05720.09
7.0.00.0000.08719.95
5.6.280.0000.07720.88
5.6.230.0030.09020.62
5.6.220.0100.07720.51
5.6.210.0130.07020.46
5.6.200.0170.08021.03
5.6.190.0070.09320.96
5.6.180.0100.07721.07
5.6.170.0070.08721.08
5.6.160.0030.08021.08
5.6.150.0070.08321.13
5.6.140.0030.06020.92
5.6.130.0100.05021.02
5.6.120.0030.08021.03
5.6.110.0070.07320.97
5.6.100.0030.07021.06
5.6.90.0100.08021.02
5.6.80.0130.07020.38
5.6.70.0030.07720.39
5.6.60.0100.08020.37
5.6.50.0030.05720.51
5.6.40.0070.07720.45
5.6.30.0130.07320.40
5.6.20.0100.05020.48
5.6.10.0170.05020.28
5.6.00.0030.05020.41
5.5.370.0100.04720.44
5.5.360.0130.04020.33
5.5.350.0070.08720.42
5.5.340.0100.03720.79
5.5.330.0130.07720.73
5.5.320.0170.07020.88
5.5.310.0100.08320.88
5.5.300.0170.07720.92
5.5.290.0070.08720.86
5.5.280.0100.08020.72
5.5.270.0130.07320.85
5.5.260.0100.05720.87
5.5.250.0130.08320.67
5.5.240.0130.07020.29
5.5.230.0030.05720.23
5.5.220.0070.08020.22
5.5.210.0130.07320.14
5.5.200.0200.04020.20
5.5.190.0030.08020.25
5.5.180.0170.07019.97
5.5.160.0070.04020.07
5.5.150.0030.05720.24
5.5.140.0100.04320.17
5.5.130.0100.07720.10
5.5.120.0070.04320.11
5.5.110.0070.05020.16
5.5.100.0030.08020.06
5.5.90.0070.08020.00
5.5.80.0030.05320.08
5.5.70.0030.05720.05
5.5.60.0070.05320.10
5.5.50.0070.07720.16
5.5.40.0100.08020.13
5.5.30.0070.07320.12
5.5.20.0100.07719.95
5.5.10.0130.07020.05
5.5.00.0100.07320.02
5.4.450.0070.08019.39
5.4.440.0130.07719.22
5.4.430.0070.08019.45
5.4.420.0170.05319.13
5.4.410.0070.08019.01
5.4.400.0130.07019.00
5.4.390.0130.06719.23
5.4.380.0030.07719.03
5.4.370.0070.07318.95
5.4.360.0070.07318.90
5.4.350.0170.06718.98
5.4.340.0130.04719.14
5.4.320.0070.08019.11
5.4.310.0130.07019.13
5.4.300.0070.07019.07
5.4.290.0070.07719.07
5.4.280.0000.08018.80
5.4.270.0030.04019.02
5.4.260.0100.06719.05
5.4.250.0200.04019.04
5.4.240.0070.06019.18
5.4.230.0000.04019.10
5.4.220.0130.07018.97
5.4.210.0100.07318.80
5.4.200.0100.07019.13
5.4.190.0070.07718.77
5.4.180.0030.08318.80
5.4.170.0030.07718.80
5.4.160.0030.08319.10
5.4.150.0030.08019.20
5.4.140.0070.07016.27
5.4.130.0070.03716.27
5.4.120.0270.05016.26
5.4.110.0030.03316.26
5.4.100.0000.04016.23
5.4.90.0070.03716.32
5.4.80.0030.05716.41
5.4.70.0100.03316.32
5.4.60.0000.03716.24
5.4.50.0000.04316.35
5.4.40.0100.03716.24
5.4.30.0130.02716.35
5.4.20.0030.03716.40
5.4.10.0070.03316.36
5.4.00.0100.03715.73
5.3.290.0100.07314.65
5.3.280.0130.06014.50
5.3.270.0100.07014.46
5.3.260.0070.07314.46
5.3.250.0070.04714.61
5.3.240.0130.06314.46
5.3.230.0000.05314.57
5.3.220.0030.06014.54
5.3.210.0000.04314.55
5.3.200.0000.04014.52
5.3.190.0000.04014.55
5.3.180.0000.06314.52
5.3.170.0070.03014.47
5.3.160.0030.03714.55
5.3.150.0100.02714.39
5.3.140.0000.04014.37
5.3.130.0030.03314.54
5.3.120.0000.04014.36
5.3.110.0030.03714.50
5.3.100.0000.04314.01
5.3.90.0070.03313.88
5.3.80.0000.04013.97
5.3.70.0030.03014.00
5.3.60.0030.03013.98
5.3.50.0100.03013.88
5.3.40.0100.04313.79
5.3.30.0070.02713.76
5.3.20.0030.03313.68
5.3.10.0000.07013.64
5.3.00.0030.03313.62
5.2.170.0030.04311.66
5.2.160.0030.05711.66
5.2.150.0000.03011.66
5.2.140.0030.03311.66
5.2.130.0030.02311.66
5.2.120.0000.03311.66
5.2.110.0030.05311.66
5.2.100.0070.05011.66
5.2.90.0030.02711.66
5.2.80.0000.02711.66
5.2.70.0070.05711.66
5.2.60.0000.02711.66
5.2.50.0030.04711.66
5.2.40.0000.03011.66
5.2.30.0100.05311.66
5.2.20.0030.02311.66
5.2.10.0000.03011.66
5.2.00.0030.02711.66
5.1.60.0030.02311.66
5.1.50.0030.03011.66
5.1.40.0070.02011.66
5.1.30.0030.03011.66
5.1.20.0030.04011.66
5.1.10.0030.03311.66
5.1.00.0000.02711.66
5.0.50.0000.01711.66
5.0.40.0030.01711.66
5.0.30.0000.02711.66
5.0.20.0000.03311.66
5.0.10.0000.02011.66
5.0.00.0030.02311.66
4.4.90.0000.02311.66
4.4.80.0000.01711.66
4.4.70.0030.01011.66
4.4.60.0000.01311.66
4.4.50.0000.01711.66
4.4.40.0130.04011.66
4.4.30.0000.01711.66
4.4.20.0030.01011.66
4.4.10.0000.01311.66
4.4.00.0000.02711.66
4.3.110.0000.01311.66
4.3.100.0030.02011.66
4.3.90.0030.01311.66
4.3.80.0000.02711.66
4.3.70.0030.03311.66
4.3.60.0000.01711.66
4.3.50.0030.01711.66
4.3.40.0030.02011.66
4.3.30.0000.01311.66
4.3.20.0000.01711.66
4.3.10.0000.03311.66
4.3.00.0000.01711.66

preferences:
43.96 ms | 401 KiB | 5 Q