3v4l.org

run code in 300+ PHP versions simultaneously
<?php $timestamp = 'Oct 6 2016 12:52:29:0000000PM'; if(!$timestamp){ echo 'no timestamp'; }

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)
8.3.60.0110.00716.63
8.3.50.0150.00616.48
8.3.40.0140.00318.59
8.3.30.0140.00418.54
8.3.20.0050.00321.77
8.3.10.0040.00420.28
8.3.00.0000.00821.78
8.2.180.0140.00718.54
8.2.170.0090.00922.96
8.2.160.0100.00319.29
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00020.93
8.2.120.0000.00726.35
8.2.110.0070.01420.26
8.2.100.0110.00017.91
8.2.90.0090.00017.75
8.2.80.0000.00817.97
8.2.70.0000.00917.93
8.2.60.0030.00617.78
8.2.50.0040.00418.10
8.2.40.0060.00320.47
8.2.30.0070.00019.15
8.2.20.0070.00017.92
8.2.10.0070.00018.02
8.2.00.0000.00717.73
8.1.280.0110.01125.92
8.1.270.0000.00823.82
8.1.260.0040.00428.09
8.1.250.0050.00228.09
8.1.240.0030.00621.87
8.1.230.0060.00622.69
8.1.220.0050.00317.76
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00317.22
8.1.180.0000.00918.10
8.1.170.0040.00418.51
8.1.160.0000.00722.13
8.1.150.0000.00718.80
8.1.140.0070.00019.49
8.1.130.0030.00317.60
8.1.120.0050.00317.48
8.1.110.0040.00417.48
8.1.100.0070.00017.46
8.1.90.0000.00717.48
8.1.80.0030.00717.34
8.1.70.0000.00717.28
8.1.60.0000.00717.50
8.1.50.0000.00817.40
8.1.40.0040.00417.45
8.1.30.0040.00417.69
8.1.20.0000.00817.69
8.1.10.0080.00017.49
8.1.00.0000.00717.40
8.0.300.0030.00318.77
8.0.290.0060.00316.63
8.0.280.0030.00318.35
8.0.270.0000.00717.29
8.0.260.0000.00617.46
8.0.250.0070.00016.79
8.0.240.0070.00016.86
8.0.230.0030.00316.98
8.0.220.0030.00316.76
8.0.210.0000.00716.86
8.0.200.0040.00416.93
8.0.190.0030.00616.96
8.0.180.0040.00416.79
8.0.170.0050.00216.97
8.0.160.0000.00716.84
8.0.150.0000.00716.78
8.0.140.0030.00316.77
8.0.130.0000.00513.38
8.0.120.0040.00416.85
8.0.110.0040.00416.68
8.0.100.0050.00216.92
8.0.90.0070.00016.70
8.0.80.0060.01216.93
8.0.70.0050.00316.68
8.0.60.0000.00716.77
8.0.50.0040.00416.85
8.0.30.0100.01117.08
8.0.20.0120.00717.40
8.0.10.0040.00416.86
8.0.00.0100.01316.72
7.4.330.0030.00315.21
7.4.320.0040.00416.53
7.4.300.0030.00316.49
7.4.290.0000.00716.61
7.4.280.0050.00316.48
7.4.270.0000.00716.40
7.4.260.0000.00816.57
7.4.250.0070.00016.56
7.4.240.0070.00016.64
7.4.230.0020.00516.30
7.4.220.0100.01316.45
7.4.210.0030.01016.56
7.4.200.0000.00716.59
7.4.160.0070.01016.51
7.4.150.0090.00917.40
7.4.140.0130.01017.86
7.4.130.0110.00916.47
7.4.120.0090.00816.42
7.4.110.0030.01416.54
7.4.100.0070.01016.65
7.4.90.0070.01616.59
7.4.80.0100.01019.39
7.4.70.0110.00616.57
7.4.60.0090.00916.38
7.4.50.0040.01416.59
7.4.40.0130.00716.70
7.4.30.0110.00716.58
7.4.00.0100.00715.03
7.3.330.0030.00313.12
7.3.320.0020.00213.05
7.3.310.0070.00016.33
7.3.300.0030.00316.21
7.3.290.0040.00416.21
7.3.280.0110.00816.21
7.3.270.0160.00317.40
7.3.260.0090.00816.18
7.3.250.0080.01016.29
7.3.240.0090.00616.51
7.3.230.0060.01116.53
7.3.210.0060.01016.55
7.3.200.0120.00616.25
7.3.190.0080.00816.46
7.3.180.0130.00316.22
7.3.170.0100.01016.36
7.3.160.0110.00616.33
7.2.330.0130.00316.32
7.2.320.0030.01716.25
7.2.310.0150.00316.31
7.2.300.0120.00616.43
7.2.290.0080.00816.43
7.2.80.0080.00316.45
7.2.60.0000.01216.55
7.2.00.0040.01419.28
7.1.200.0000.01415.80
7.1.100.0000.01117.91
7.1.70.0020.00516.91
7.1.60.0040.00717.21
7.1.00.0030.05022.48
7.0.200.0290.00614.33
7.0.110.0370.06020.20
7.0.100.0370.04720.27
7.0.90.0330.06020.26
7.0.80.0330.06020.23
7.0.70.0400.05720.15
7.0.60.0470.04720.34
7.0.50.0430.06020.35
7.0.40.0370.05320.16
7.0.30.0530.03720.22
7.0.20.0400.05720.32
7.0.10.0270.05720.22
7.0.00.0430.07320.38
5.6.260.0200.05021.08
5.6.250.0070.06020.90
5.6.240.0070.06320.99
5.6.230.0130.05320.78
5.6.220.0170.05320.82
5.6.210.0130.05320.91
5.6.200.0130.05721.03
5.6.190.0200.04720.92
5.6.180.0070.06020.82
5.6.170.0130.06020.74
5.6.160.0100.05321.05
5.6.150.0170.05720.98
5.6.140.0070.07021.02
5.6.130.0170.04721.05
5.6.120.0030.06321.07
5.6.110.0100.08320.77
5.6.100.0100.05720.98
5.6.90.0100.05720.98
5.6.80.0030.06020.44
5.6.70.0070.05720.11
5.6.60.0130.05020.16
5.6.50.0200.04720.42
5.6.40.0100.05020.18
5.6.30.0200.04320.39
5.6.20.0000.06320.18
5.6.10.0130.04720.38
5.6.00.0170.04720.26

preferences:
63.93 ms | 401 KiB | 5 Q