3v4l.org

run code in 300+ PHP versions simultaneously
<?php $zero = '0'; if (empty($zero)){ 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)
8.3.60.0210.00018.07
8.3.50.0160.00017.93
8.3.40.0070.00718.67
8.3.30.0090.00618.92
8.3.20.0100.00320.00
8.3.10.0040.00421.82
8.3.00.0060.00319.16
8.2.180.0090.01216.75
8.2.170.0000.01422.96
8.2.160.0070.00720.18
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00421.11
8.2.110.0070.00322.14
8.2.100.0060.00917.91
8.2.90.0050.00317.62
8.2.80.0000.00818.82
8.2.70.0060.00317.93
8.2.60.0030.00518.04
8.2.50.0060.00318.10
8.2.40.0030.00518.98
8.2.30.0070.00019.36
8.2.20.0000.00817.66
8.2.10.0030.00617.86
8.2.00.0030.00517.72
8.1.280.0060.00925.92
8.1.270.0040.00418.71
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00318.99
8.1.230.0040.00817.82
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0030.00617.11
8.1.180.0050.00318.10
8.1.170.0040.00418.54
8.1.160.0080.00018.81
8.1.150.0060.00318.77
8.1.140.0070.00017.46
8.1.130.0000.00717.85
8.1.120.0030.00317.39
8.1.110.0000.00717.27
8.1.100.0000.00717.25
8.1.90.0040.00417.38
8.1.80.0000.00717.37
8.1.70.0000.00717.35
8.1.60.0060.00317.41
8.1.50.0000.00717.45
8.1.40.0080.00017.41
8.1.30.0060.00317.53
8.1.20.0030.00617.56
8.1.10.0000.00717.47
8.1.00.0040.00417.38
8.0.300.0050.00218.77
8.0.290.0000.00816.75
8.0.280.0030.00518.50
8.0.270.0000.00717.21
8.0.260.0060.00017.18
8.0.250.0000.00716.90
8.0.240.0030.00316.90
8.0.230.0030.00316.83
8.0.220.0030.00316.83
8.0.210.0040.00416.77
8.0.200.0060.00016.89
8.0.190.0000.00716.90
8.0.180.0000.00716.81
8.0.170.0000.00916.79
8.0.160.0030.00516.85
8.0.150.0080.00016.66
8.0.140.0050.00316.75
8.0.130.0030.00313.25
8.0.120.0000.00816.70
8.0.110.0000.00716.83
8.0.100.0080.00016.91
8.0.90.0000.00716.77
8.0.80.0060.00916.73
8.0.70.0060.00316.77
8.0.60.0050.00216.89
8.0.50.0030.00316.73
8.0.30.0060.01316.98
8.0.20.0100.01117.40
8.0.10.0030.00517.05
8.0.00.0100.00816.87
7.4.330.0030.00315.07
7.4.320.0030.00316.54
7.4.300.0030.00316.58
7.4.290.0030.00516.44
7.4.280.0000.00816.40
7.4.270.0000.00616.40
7.4.260.0000.00716.52
7.4.250.0040.00416.52
7.4.240.0020.00516.49
7.4.230.0000.00716.48
7.4.220.0030.01916.55
7.4.210.0000.01416.46
7.4.200.0070.00016.51
7.4.160.0060.00916.31
7.4.150.0090.00917.40
7.4.140.0020.01617.86
7.4.130.0110.00716.39
7.4.120.0100.00716.44
7.4.110.0030.01316.26
7.4.100.0090.01216.36
7.4.90.0090.01216.31
7.4.80.0030.01519.39
7.4.70.0070.01416.50
7.4.60.0090.01016.34
7.4.50.0040.00416.42
7.4.40.0160.00616.21
7.4.30.0120.00916.37
7.4.00.0030.01015.02
7.3.330.0000.00613.02
7.3.320.0000.00613.05
7.3.310.0000.00716.11
7.3.300.0070.00016.15
7.3.290.0040.01216.16
7.3.280.0100.00516.13
7.3.270.0090.00917.40
7.3.260.0070.01016.06
7.3.250.0150.00516.34
7.3.240.0080.00816.14
7.3.230.0140.00316.50
7.3.210.0100.00716.32
7.3.200.0120.00919.39
7.3.190.0110.00716.07
7.3.180.0070.01016.08
7.3.170.0030.01316.41
7.3.160.0100.00616.14
7.3.10.0090.00716.45
7.3.00.0050.00516.67
7.2.330.0180.00016.37
7.2.320.0130.01016.22
7.2.310.0070.01416.24
7.2.300.0070.01616.64
7.2.290.0060.01216.28
7.2.130.0150.00016.51
7.2.120.0140.00516.62
7.2.110.0110.01116.68
7.2.100.0090.00616.75
7.2.90.0030.01416.52
7.2.80.0030.01016.64
7.2.70.0000.01316.73
7.2.60.0060.01016.81
7.2.50.0100.00316.87
7.2.40.0090.00316.73
7.2.30.0150.00016.54
7.2.20.0120.00016.78
7.2.10.0030.00616.73
7.2.00.0050.00918.03
7.1.250.0140.00415.50
7.1.200.0070.00015.77
7.1.100.0060.00617.92
7.1.70.0000.00816.89
7.1.60.0090.01219.57
7.1.50.0030.00716.48
7.1.00.0070.07322.36
7.0.200.0040.00416.39
7.0.140.0000.03321.98
7.0.60.0070.08719.85
7.0.50.0030.05317.81
7.0.40.0030.04320.27
7.0.30.0400.04020.17
7.0.20.0270.07320.16
7.0.10.0000.04720.22
7.0.00.0030.04020.16
5.6.280.0000.07720.98
5.6.210.0130.05720.61
5.6.200.0030.04318.18
5.6.190.0070.05720.64
5.6.180.0200.04320.32
5.6.170.0230.03720.71
5.6.160.0000.08320.39
5.6.150.0030.04018.21
5.6.140.0100.05718.11
5.6.130.0030.04718.15
5.6.120.0100.07721.13
5.6.110.0030.04321.00
5.6.100.0130.06320.97
5.6.90.0030.04020.95
5.6.80.0070.08020.37
5.5.350.0100.08020.32
5.5.340.0070.03717.98
5.5.330.0070.03720.23
5.5.320.0230.06020.21
5.5.310.0330.07020.28
5.5.300.0030.07717.98
5.5.290.0030.04017.88
5.5.280.0130.08020.73
5.5.270.0070.08720.83
5.5.260.0200.07020.79
5.5.250.0030.08720.68
5.5.240.0330.06320.15
5.4.450.0330.07719.60
5.4.440.0170.05719.10
5.4.430.0100.05319.50
5.4.420.0130.05319.31
5.4.410.0070.05719.34
5.4.400.0070.06019.02
5.4.390.0170.05718.92
5.4.380.0230.05018.49
5.4.370.0070.06318.52
5.4.360.0200.05018.71
5.4.350.0230.05018.63
5.4.340.0170.05718.70
5.4.320.0170.05718.58
5.4.310.0170.05718.58
5.4.300.0170.06018.50
5.4.290.0270.05018.49
5.4.280.0130.06318.61
5.4.270.0200.05318.71
5.4.260.0100.06018.55
5.4.250.0270.07018.55
5.4.240.0230.05018.58
5.4.230.0270.04718.68
5.4.220.0170.05318.48
5.4.210.0200.05018.73
5.4.200.0230.04716.61
5.4.190.0230.04718.45
5.4.180.0270.04318.61
5.4.170.0070.06718.75
5.4.160.0200.05018.67
5.4.150.0230.05018.60
5.4.140.0200.04716.20
5.4.130.0200.04716.13
5.4.120.0170.05016.25
5.4.110.0200.04716.04
5.4.100.0270.04316.24
5.4.90.0230.06316.26
5.4.80.0100.05716.34
5.4.70.0100.06016.20
5.4.60.0170.05316.29
5.4.50.0230.04316.26
5.4.40.0130.05716.09
5.4.30.0200.04716.28
5.4.20.0200.04716.21
5.4.10.0170.05316.02
5.4.00.0230.04315.73
5.3.290.0200.05314.64
5.3.280.0100.06014.52
5.3.270.0170.05714.60
5.3.260.0070.06714.51
5.3.250.0230.04714.58
5.3.240.0070.06314.64
5.3.230.0130.05714.52
5.3.220.0230.04714.64
5.3.210.0200.05314.66
5.3.200.0400.03314.54
5.3.190.0200.05314.59
5.3.180.0270.04314.56
5.3.170.0170.05314.55
5.3.160.0200.05014.61
5.3.150.0130.05714.52
5.3.140.0130.05714.55
5.3.130.0270.04714.54
5.3.120.0070.06314.64
5.3.110.0200.05014.57
5.3.100.0170.05314.13
5.3.90.0100.05713.98
5.3.80.0170.05313.99
5.3.70.0270.04013.94
5.3.60.0230.04313.99
5.3.50.0130.05313.95
5.3.40.0130.05313.84
5.3.30.0170.05013.98
5.3.20.0130.05013.63
5.3.10.0200.04313.64
5.3.00.0230.04313.63
5.2.170.0100.04711.15
5.2.160.0200.03311.27
5.2.150.0170.04011.13
5.2.140.0200.03711.11
5.2.130.0100.04311.25
5.2.120.0170.04011.02
5.2.110.0130.04011.14
5.2.100.0100.04311.10
5.2.90.0070.04711.06
5.2.80.0130.04011.15
5.2.70.0100.04711.12
5.2.60.0200.03311.01
5.2.50.0170.03710.99
5.2.40.0200.03310.96
5.2.30.0170.03710.88
5.2.20.0130.04010.99
5.2.10.0130.04010.84
5.2.00.0130.04010.67
5.1.60.0130.03310.09
5.1.50.0170.03010.09
5.1.40.0200.02710.07
5.1.30.0170.03310.43
5.1.20.0130.03310.41
5.1.10.0130.03310.13
5.1.00.0170.03310.08
5.0.50.0030.0338.57
5.0.40.0100.0278.39
5.0.30.0030.0478.34
5.0.20.0070.0278.23
5.0.10.0070.0308.29
5.0.00.0170.0338.23
4.4.90.0070.0205.91
4.4.80.0100.0175.88
4.4.70.0030.0235.87
4.4.60.0030.0235.89
4.4.50.0030.0235.89
4.4.40.0030.0375.86
4.4.30.0100.0175.88
4.4.20.0070.0205.95
4.4.10.0070.0205.96
4.4.00.0100.0305.88
4.3.110.0030.0235.89
4.3.100.0100.0175.87
4.3.90.0030.0235.79
4.3.80.0130.0275.82
4.3.70.0070.0205.79
4.3.60.0030.0235.80
4.3.50.0030.0235.78
4.3.40.0030.0375.73
4.3.30.0100.0174.64
4.3.20.0070.0204.56
4.3.10.0000.0234.49
4.3.00.0070.0206.94

preferences:
55.76 ms | 400 KiB | 5 Q