3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$var = 'A'; //$var = ''; //$var = null; //$var = 0; if (! isset($var) || $var) { echo "set default"; //"not empty or not defiend or a null value"; } else { echo "not default"; //"empty"; } if (empty($var)) { echo "set default"; } else { echo "not default"; }

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)
8.3.60.0090.00618.16
8.3.50.0080.01217.36
8.3.40.0110.01118.71
8.3.30.0040.01118.42
8.3.20.0030.00518.66
8.3.10.0080.00020.58
8.3.00.0000.00817.59
8.2.180.0140.00716.38
8.2.170.0140.00022.96
8.2.160.0100.00322.30
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00019.77
8.2.110.0000.00920.94
8.2.100.0060.00617.91
8.2.90.0040.00419.27
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00417.84
8.2.30.0080.00017.85
8.2.20.0040.00417.58
8.2.10.0080.00017.50
8.2.00.0040.00417.59
8.1.280.0110.00425.92
8.1.270.0000.00724.66
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0030.00620.75
8.1.230.0130.00020.90
8.1.220.0070.00018.77
8.1.210.0000.00818.91
8.1.200.0040.00417.23
8.1.190.0050.00217.29
8.1.180.0090.00018.10
8.1.170.0000.00818.80
8.1.160.0000.00818.81
8.1.150.0000.00818.55
8.1.140.0030.00617.22
8.1.130.0030.00317.75
8.1.120.0000.00817.39
8.1.110.0050.00317.31
8.1.100.0070.00017.23
8.1.90.0000.00717.41
8.1.80.0070.00017.34
8.1.70.0000.00717.28
8.1.60.0030.00617.37
8.1.50.0000.00817.39
8.1.40.0040.00417.43
8.1.30.0070.00017.51
8.1.20.0050.00317.58
8.1.10.0070.00017.34
8.1.00.0030.00517.37
8.0.300.0040.00419.87
8.0.290.0030.00616.63
8.0.280.0000.00718.24
8.0.270.0070.00017.09
8.0.260.0000.00616.75
8.0.250.0000.00816.87
8.0.240.0040.00416.87
8.0.230.0030.00316.94
8.0.220.0000.00716.81
8.0.210.0030.00316.82
8.0.200.0000.00616.77
8.0.190.0000.00716.88
8.0.180.0000.00816.88
8.0.170.0040.00416.76
8.0.160.0070.00016.88
8.0.150.0040.00416.78
8.0.140.0040.00416.69
8.0.130.0000.00513.29
8.0.120.0000.00716.77
8.0.110.0040.00416.80
8.0.100.0080.00016.63
8.0.90.0040.00416.71
8.0.80.0090.00916.86
8.0.70.0030.00516.70
8.0.60.0070.00016.71
8.0.50.0040.00416.77
8.0.30.0040.01417.01
8.0.20.0100.00917.03
8.0.10.0050.00216.97
8.0.00.0030.01516.62
7.4.330.0050.00012.89
7.4.320.0000.00716.42
7.4.300.0060.00016.42
7.4.290.0050.00216.53
7.4.280.0000.01016.48
7.4.270.0000.00716.57
7.4.260.0000.00613.14
7.4.250.0070.00016.45
7.4.240.0000.00716.41
7.4.230.0000.00716.37
7.4.220.0060.01516.39
7.4.210.0090.00716.50
7.4.200.0040.00416.64
7.4.190.0050.00216.29
7.4.160.0080.01416.46
7.4.150.0090.00916.57
7.4.140.0100.00816.35
7.4.130.0060.01116.51
7.4.120.0110.00516.47
7.4.110.0150.00816.42
7.4.100.0090.00916.26
7.4.90.0100.00616.51
7.4.80.0120.00616.45
7.4.70.0060.00916.27
7.4.60.0100.01016.50
7.4.50.0030.00316.57
7.4.40.0120.00616.50
7.4.30.0100.00616.42
7.4.00.0020.01414.82
7.3.330.0030.00312.88
7.3.320.0000.00613.06
7.3.310.0030.00315.95
7.3.300.0000.00616.17
7.3.290.0130.00616.09
7.3.280.0080.00716.15
7.3.270.0060.01216.38
7.3.260.0120.00816.34
7.3.250.0100.01016.28
7.3.240.0120.00616.54
7.3.230.0030.01416.50
7.3.210.0160.00316.34
7.3.200.0070.01119.39
7.3.190.0060.01316.17
7.3.180.0070.01016.16
7.3.170.0100.00616.29
7.3.160.0120.01216.14
7.3.120.0050.00814.74
7.3.110.0060.01014.70
7.3.100.0030.00714.77
7.3.90.0040.01414.49
7.3.80.0070.00714.48
7.3.70.0060.00314.68
7.3.60.0080.00814.72
7.3.50.0090.00914.50
7.3.40.0030.01114.46
7.3.30.0060.00614.52
7.3.20.0000.01416.57
7.3.10.0030.01016.32
7.3.00.0070.00316.45
7.2.330.0100.00716.44
7.2.320.0140.00316.60
7.2.310.0030.01416.49
7.2.300.0070.01016.15
7.2.290.0070.01416.61
7.2.250.0090.00914.57
7.2.240.0060.01315.14
7.2.230.0090.00614.65
7.2.220.0070.01314.93
7.2.210.0060.00914.70
7.2.200.0030.00714.95
7.2.190.0060.00914.88
7.2.180.0070.01314.54
7.2.170.0080.00314.75
7.2.00.0000.01218.93
7.1.330.0060.00615.45
7.1.320.0150.00015.46
7.1.310.0070.00715.69
7.1.300.0110.00415.59
7.1.290.0080.00015.49
7.1.280.0090.00315.54
7.1.270.0000.01015.16
7.1.260.0030.00715.54
7.1.100.0100.01017.77
7.1.70.0030.00916.63
7.1.60.0000.01216.93
7.1.50.0070.00316.75
7.1.00.0030.08322.45
7.0.200.0000.00716.70
7.0.140.0070.07022.21
7.0.120.0000.06322.16
7.0.60.0100.08320.06
7.0.50.0100.07317.77
7.0.40.0030.08720.31
7.0.30.0330.07720.04
7.0.20.0300.08020.02
7.0.10.0100.06320.00
7.0.00.0030.10020.29
5.6.210.0130.04320.62
5.6.200.0070.08018.16
5.6.190.0000.04320.43
5.6.180.0400.07320.33
5.6.170.0200.04020.62
5.6.160.0070.03720.50
5.6.150.0100.07718.18
5.6.140.0170.07718.22
5.6.130.0130.04718.14
5.6.120.0030.08020.96
5.6.110.0130.07320.95
5.6.100.0070.08321.00
5.6.90.0070.07720.97
5.6.80.0200.06720.37
5.5.350.3930.03720.42
5.5.340.0070.05718.02
5.5.330.0030.05320.38
5.5.320.0170.04720.21
5.5.310.0230.04320.26
5.5.300.0100.06718.01
5.5.290.0030.05018.01
5.5.280.0030.08720.64
5.5.270.0030.06320.83
5.5.260.0000.04320.72
5.5.250.0100.06720.70
5.5.240.0200.07720.34
5.4.450.3230.04319.51
5.4.440.3170.04319.43
5.4.430.3030.03719.40
5.4.420.2830.04719.40
5.4.410.3170.03019.11
5.4.400.3270.03719.09
5.4.390.3600.04718.75
5.4.380.3200.04319.19
5.4.370.2930.03719.08
5.4.360.2900.03718.93
5.4.350.3530.03319.08
5.4.340.3670.04319.08
5.4.320.3200.03718.79
5.4.310.3130.04718.88
5.4.300.3170.03718.91
5.4.290.3170.04319.08
5.4.280.2970.03719.21
5.4.270.3270.03319.05
5.4.260.3000.03018.80
5.4.250.3130.03319.04
5.4.240.3070.05719.20
5.4.230.3230.04019.21
5.4.220.3330.03019.22
5.4.210.3200.03719.03
5.4.200.3130.04018.91
5.4.190.3270.03319.09
5.4.180.3100.02319.24
5.4.170.3330.03319.09
5.4.160.3270.03318.90
5.4.150.3330.03318.85
5.4.140.2970.03716.28
5.4.130.3100.03716.45
5.4.120.3370.03316.25
5.4.110.3230.03716.38
5.4.100.2830.03316.41
5.4.90.0000.04716.16
5.4.80.1930.04316.46
5.4.70.3670.03316.37
5.4.60.3330.04016.17
5.4.50.3200.05016.40
5.4.40.3700.03316.15
5.4.30.3730.03716.39
5.4.20.3330.03316.36
5.4.10.3400.03716.31
5.4.00.3330.03715.68
5.3.290.3400.04314.56
5.3.280.3300.03014.54
5.3.270.3130.04014.51
5.3.260.3200.04014.63
5.3.250.3000.04014.43
5.3.240.3130.04014.48
5.3.230.3300.04314.50
5.3.220.3270.04014.59
5.3.210.3430.03714.50
5.3.200.3730.03314.46
5.3.190.0100.03714.51
5.3.180.0100.03714.50
5.3.170.3930.03714.50
5.3.160.3500.04014.49
5.3.150.3430.03714.40
5.3.140.3430.03314.50
5.3.130.3500.03314.49
5.3.120.3400.04014.57
5.3.110.3400.04014.37
5.3.100.3600.03714.02
5.3.90.3530.03713.88
5.3.80.3430.02714.00
5.3.70.3130.04014.04
5.3.60.3470.03713.84
5.3.50.1000.03313.82
5.3.40.0230.02713.72
5.3.30.3370.03714.00
5.3.20.2400.03713.64
5.3.10.3030.03313.56
5.3.00.3030.03713.48
5.2.170.0100.06011.00
5.2.160.0070.03311.00
5.2.150.2030.03310.98
5.2.140.2430.02710.98
5.2.130.2630.03310.99
5.2.120.2700.02711.12
5.2.110.2370.03010.95
5.2.100.2430.03011.25
5.2.90.2170.02711.03
5.2.80.2470.02310.95
5.2.70.2630.03311.11
5.2.60.2370.03011.09
5.2.50.3270.02310.87
5.2.40.1330.02011.03
5.2.30.2130.02710.83
5.2.20.2230.02710.80
5.2.10.2200.02710.77
5.2.00.2130.02710.67
5.1.60.2130.0209.97
5.1.50.2130.02710.11
5.1.40.2500.0239.84
5.1.30.2130.03010.32
5.1.20.2500.02710.34
5.1.10.1870.0279.95
5.1.00.2470.0239.99
5.0.50.1130.0208.59
5.0.40.1370.0178.38
5.0.30.1030.0338.23
5.0.20.1100.0208.27
5.0.10.1270.0238.22
5.0.00.1600.0308.22
4.4.90.1070.0138.22
4.4.80.0800.0178.22
4.4.70.1030.0178.22
4.4.60.0670.0208.22
4.4.50.0870.0138.22
4.4.40.1170.0238.22
4.4.30.1030.0138.22
4.4.20.1230.0208.22
4.4.10.1070.0138.22
4.4.00.1230.0238.22
4.3.110.1030.0178.22
4.3.100.1200.0208.22
4.3.90.1070.0138.22
4.3.80.1500.0278.22
4.3.70.1370.0108.22
4.3.60.1300.0138.22
4.3.50.1270.0138.22
4.3.40.1530.0278.22
4.3.30.0630.0178.22
4.3.20.0700.0178.22
4.3.10.0870.0178.22
4.3.00.0670.0138.22

preferences:
33.79 ms | 401 KiB | 5 Q