3v4l.org

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

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)
8.3.40.0040.01118.46
8.3.30.0040.01218.48
8.3.20.0080.00018.77
8.3.10.0080.00020.40
8.3.00.0000.00823.65
8.2.170.0070.01422.96
8.2.160.0070.00720.39
8.2.150.0060.00924.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0100.00719.62
8.2.110.0100.00020.47
8.2.100.0110.00017.72
8.2.90.0050.00519.09
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0080.00018.03
8.2.50.0050.00318.07
8.2.40.0000.00718.16
8.2.30.0040.00419.79
8.2.20.0090.00017.53
8.2.10.0000.00717.68
8.2.00.0040.00417.73
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0000.00922.10
8.1.230.0040.00817.48
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0060.00317.25
8.1.190.0070.00017.41
8.1.180.0080.00018.10
8.1.170.0000.00918.77
8.1.160.0040.00419.00
8.1.150.0030.00618.55
8.1.140.0040.00417.46
8.1.130.0030.00517.82
8.1.120.0000.00717.43
8.1.110.0050.00317.48
8.1.100.0070.00017.37
8.1.90.0000.00717.48
8.1.80.0000.00817.37
8.1.70.0000.00717.43
8.1.60.0000.00717.49
8.1.50.0040.00417.47
8.1.40.0040.00417.40
8.1.30.0070.00017.64
8.1.20.0030.00617.59
8.1.10.0040.00417.50
8.1.00.0040.00417.44
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00718.36
8.0.270.0000.00717.17
8.0.260.0000.00616.78
8.0.250.0050.00316.98
8.0.240.0060.00616.94
8.0.230.0000.00916.84
8.0.220.0030.00316.83
8.0.210.0000.00716.89
8.0.200.0030.00316.88
8.0.190.0000.00816.98
8.0.180.0000.00716.83
8.0.170.0020.00516.86
8.0.160.0000.00816.98
8.0.150.0080.00016.77
8.0.140.0030.00616.75
8.0.130.0000.00513.31
8.0.120.0040.00416.75
8.0.110.0040.00416.76
8.0.100.0030.00516.77
8.0.90.0040.00416.78
8.0.80.0110.00316.89
8.0.70.0040.00416.72
8.0.60.0030.00516.77
8.0.50.0050.00216.72
8.0.30.0140.00517.18
8.0.20.0120.00717.40
8.0.10.0080.00016.81
8.0.00.0070.01016.72
7.4.330.0000.00514.70
7.4.320.0030.00316.51
7.4.300.0000.00716.57
7.4.290.0040.00416.52
7.4.280.0000.00716.50
7.4.270.0030.00316.50
7.4.260.0060.00013.18
7.4.250.0030.00516.58
7.4.240.0000.00716.51
7.4.230.0000.00716.63
7.4.220.0110.00716.46
7.4.210.0090.00516.57
7.4.200.0030.00316.34
7.4.190.0000.00716.77
7.4.160.0170.00016.48
7.4.150.0140.00317.40
7.4.140.0100.00717.86
7.4.130.0120.00716.48
7.4.120.0090.01116.46
7.4.110.0070.01516.41
7.4.100.0100.00716.45
7.4.90.0120.00616.70
7.4.80.0040.01419.04
7.4.70.0080.01516.50
7.4.60.0040.01216.50
7.4.50.0000.00816.15
7.4.40.0070.00722.27
7.4.30.0090.00616.53
7.4.00.0060.01014.99
7.3.330.0020.00213.19
7.3.320.0060.00013.09
7.3.310.0000.00716.05
7.3.300.0000.00716.25
7.3.290.0130.00716.18
7.3.280.0090.00616.20
7.3.270.0160.00017.40
7.3.260.0110.01118.24
7.3.250.0100.00716.29
7.3.240.0100.00716.29
7.3.230.0030.01516.59
7.3.210.0030.01316.29
7.3.200.0120.00819.39
7.3.190.0140.00316.25
7.3.180.0150.00616.19
7.3.170.0140.00316.62
7.3.160.0100.01316.40
7.3.120.0030.01515.00
7.2.330.0140.00316.59
7.2.320.0100.00716.26
7.2.310.0070.01116.32
7.2.300.0060.00916.57
7.2.290.0100.00716.38
7.2.00.0000.01319.27
7.1.100.0030.01517.91
7.1.70.0040.01117.11
7.1.60.0160.00919.40
7.1.50.0030.01216.85
7.1.00.0000.05022.40
7.0.200.0000.01016.82
7.0.140.0030.07322.10
7.0.60.0100.06019.93
7.0.50.0100.03317.81
7.0.40.0030.04017.72
7.0.30.0030.04017.74
7.0.20.0030.04317.70
7.0.10.0070.03717.69
7.0.00.0030.04717.68
5.6.280.0030.06721.14
5.6.210.0100.06320.52
5.6.200.0030.04018.09
5.6.190.0070.04018.18
5.6.180.0030.04018.12
5.6.170.0030.04318.22
5.6.160.0030.04018.07
5.6.150.0100.04018.24
5.6.140.0000.04018.18
5.6.130.0100.03318.07
5.6.120.0070.04718.13
5.6.110.0070.04018.15
5.6.100.0000.04318.11
5.6.90.0070.05718.07
5.6.80.0070.03717.60
5.6.70.0130.03317.50
5.6.60.0000.04317.59
5.6.50.0030.03717.49
5.6.40.0070.03717.53
5.6.30.0030.04017.52
5.6.20.0030.03717.56
5.6.10.0030.04017.59
5.6.00.0070.07717.44
5.5.350.0030.08720.43
5.5.340.0000.04318.03
5.5.330.0030.04017.98
5.5.320.0100.03717.91
5.5.310.0070.03718.07
5.5.300.0070.03717.91
5.5.290.0070.04017.94
5.5.280.0030.04018.01
5.5.270.0000.04317.88
5.5.260.0000.06017.95
5.5.250.0030.04017.73
5.5.240.0070.03317.39
5.5.230.0000.04017.28
5.5.220.0130.03717.30
5.5.210.0030.03717.33
5.5.200.0030.05717.32
5.5.190.0030.07317.33
5.5.180.0070.07017.27
5.5.160.0100.05717.32
5.5.150.0070.05317.31
5.5.140.0130.06317.26
5.5.130.0170.07317.26
5.5.120.0000.05317.35
5.5.110.0100.05017.27
5.5.100.0100.07317.13
5.5.90.0070.07317.20
5.5.80.0070.07717.22
5.5.70.0100.07717.19
5.5.60.0030.07017.25
5.5.50.0070.07317.16
5.5.40.0070.04017.25
5.5.30.0070.08317.15
5.5.20.0070.07717.20
5.5.10.0070.08017.16
5.5.00.0070.04717.15
5.4.450.0030.04019.34
5.4.440.0030.03719.54
5.4.430.0030.03719.30
5.4.420.0030.04019.30
5.4.410.0030.04319.23
5.4.400.0170.02319.04
5.4.390.0030.03718.99
5.4.380.0000.04018.99
5.4.370.0070.03319.07
5.4.360.0100.03018.99
5.4.350.0170.03718.98
5.4.340.0000.04319.03
5.4.320.0070.07319.14
5.4.310.0030.05718.82
5.4.300.0130.05019.01
5.4.290.0100.07319.07
5.4.280.0030.08018.90
5.4.270.0100.04319.04
5.4.260.0070.07718.91
5.4.250.0170.06018.95
5.4.240.0070.07718.97
5.4.230.0000.07018.98
5.4.220.0130.07019.00
5.4.210.0070.04319.06
5.4.200.0070.05019.20
5.4.190.0070.06318.81
5.4.180.0000.08718.89
5.4.170.0130.06718.98
5.4.160.0000.08018.99
5.4.150.0070.07718.80
5.4.140.0070.05316.28
5.4.130.0070.06716.36
5.4.120.0030.04716.30
5.4.110.0100.06716.43
5.4.100.0030.04716.36
5.4.90.0170.06316.30
5.4.80.0130.07016.23
5.4.70.0070.05016.29
5.4.60.0070.05716.23
5.4.50.0030.07716.30
5.4.40.0100.07016.29
5.4.30.0030.07316.20
5.4.20.0030.07316.21
5.4.10.0070.06316.30
5.4.00.0000.05015.77
5.3.290.0030.06714.59
5.3.280.0130.05714.55
5.3.270.0130.07314.57
5.3.260.0000.08714.43
5.3.250.0170.03714.59
5.3.240.0130.07014.59
5.3.230.0200.06314.56
5.3.220.0070.07014.48
5.3.210.0070.06714.64
5.3.200.0070.07314.57
5.3.190.0200.06314.54
5.3.180.0170.06314.52
5.3.170.0030.06014.47
5.3.160.0070.04714.34
5.3.150.0030.05714.38
5.3.140.0070.07714.48
5.3.130.0100.08014.54
5.3.120.0030.08314.50
5.3.110.0070.06714.51
5.3.100.0130.07313.99
5.3.90.0100.07313.79
5.3.80.0030.07013.97
5.3.70.0100.04013.93
5.3.60.0070.07713.96
5.3.50.0170.06713.93
5.3.40.0030.07713.90
5.3.30.0070.06313.99
5.3.20.0000.07713.65
5.3.10.0030.08013.41
5.3.00.0030.06713.54
5.2.170.0030.06711.11
5.2.160.0030.06311.13
5.2.150.0130.05011.08
5.2.140.0070.04010.96
5.2.130.0000.04311.05
5.2.120.0030.05311.05
5.2.110.0070.06311.09
5.2.100.0030.05011.13
5.2.90.0070.04710.87
5.2.80.0000.03711.05
5.2.70.0170.05011.06
5.2.60.0030.06310.82
5.2.50.0030.04011.00
5.2.40.0000.06310.97
5.2.30.0130.05310.74
5.2.20.0030.06710.90
5.2.10.0030.05010.75
5.2.00.0030.06310.86
5.1.60.0070.04710.13
5.1.50.0170.0379.93
5.1.40.0000.0339.94
5.1.30.0030.06010.33
5.1.20.0000.03010.27
5.1.10.0030.04710.00
5.1.00.0070.05010.13
5.0.50.0030.0338.59
5.0.40.0000.0508.36
5.0.30.0070.0578.20
5.0.20.0000.0278.28
5.0.10.0100.0308.15
5.0.00.0070.0608.11
4.4.90.0030.0207.93
4.4.80.0000.0307.93
4.4.70.0000.0377.93
4.4.60.0030.0177.93
4.4.50.0030.0177.93
4.4.40.0030.0437.93
4.4.30.0030.0277.93
4.4.20.0070.0307.93
4.4.10.0000.0337.93
4.4.00.0000.0437.93
4.3.110.0000.0337.93
4.3.100.0100.0107.93
4.3.90.0030.0377.93
4.3.80.0070.0437.93
4.3.70.0000.0377.93
4.3.60.0030.0337.93
4.3.50.0000.0277.93
4.3.40.0030.0537.93
4.3.30.0000.0277.93
4.3.20.0000.0377.93
4.3.10.0000.0377.93
4.3.00.0030.0337.93

preferences:
49.87 ms | 400 KiB | 5 Q