3v4l.org

run code in 300+ PHP versions simultaneously
<?php $timestamp = strtotime("May"); if ($timestamp === false) { echo "The string $timestamp is bogus"; } elseif ($timestamp === -1) { echo "strtotime didn't recognize the date string"; } else { echo date('F',strtotime($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)
8.3.60.0110.00418.55
8.3.50.0130.00421.15
8.3.40.0110.00718.80
8.3.30.0070.00720.26
8.3.20.0030.00518.85
8.3.10.0080.00021.13
8.3.00.0040.00423.70
8.2.180.0120.00916.75
8.2.170.0110.00322.96
8.2.160.0060.00620.57
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.91
8.2.110.0030.00620.47
8.2.100.0080.00317.84
8.2.90.0040.00419.01
8.2.80.0040.00419.27
8.2.70.0000.00817.75
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0040.00418.03
8.2.30.0040.00419.31
8.2.20.0040.00417.76
8.2.10.0000.00817.73
8.2.00.0030.00517.80
8.1.280.0040.01125.92
8.1.270.0080.00023.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00622.59
8.1.230.0080.00320.77
8.1.220.0050.00318.77
8.1.210.0000.00918.85
8.1.200.0000.00817.35
8.1.190.0060.00317.39
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0070.00018.86
8.1.150.0040.00418.68
8.1.140.0070.00017.58
8.1.130.0030.00617.80
8.1.120.0050.00217.51
8.1.110.0020.00517.46
8.1.100.0050.00317.41
8.1.90.0050.00317.47
8.1.80.0030.00317.55
8.1.70.0040.00417.58
8.1.60.0060.00617.51
8.1.50.0060.00317.50
8.1.40.0000.00817.46
8.1.30.0000.00817.67
8.1.20.0000.00917.62
8.1.10.0030.00617.64
8.1.00.0020.00517.59
8.0.300.0040.00319.98
8.0.290.0000.00717.18
8.0.280.0040.00418.50
8.0.270.0050.00217.31
8.0.260.0060.00016.89
8.0.250.0000.00717.06
8.0.240.0000.00817.19
8.0.230.0030.00317.12
8.0.220.0070.00017.01
8.0.210.0000.00716.90
8.0.200.0050.00317.13
8.0.190.0030.00617.13
8.0.180.0040.00417.04
8.0.170.0040.00416.95
8.0.160.0040.00417.02
8.0.150.0080.00016.88
8.0.140.0070.00017.03
8.0.130.0000.00513.42
8.0.120.0020.00516.99
8.0.110.0040.00316.89
8.0.100.0040.00416.91
8.0.90.0030.00616.86
8.0.80.0070.00717.01
8.0.70.0020.00516.92
8.0.60.0080.00016.97
8.0.50.0040.00417.09
8.0.30.0060.01217.36
8.0.20.0100.01517.40
8.0.10.0040.00417.14
8.0.00.0060.01316.89
7.4.330.0030.00315.00
7.4.320.0000.00616.56
7.4.300.0000.00616.65
7.4.290.0080.00016.77
7.4.280.0000.00716.55
7.4.270.0080.00016.64
7.4.260.0000.00613.36
7.4.250.0030.00516.61
7.4.240.0030.00316.62
7.4.230.0070.00016.73
7.4.220.0110.00716.75
7.4.210.0070.00816.74
7.4.200.0040.00416.65
7.4.190.0000.00716.82
7.4.160.0070.01016.79
7.4.150.0100.00717.40
7.4.140.0130.00817.86
7.4.130.0070.01016.70
7.4.120.0110.00716.61
7.4.110.0100.01016.53
7.4.100.0180.00616.79
7.4.90.0130.00716.82
7.4.80.0030.01719.39
7.4.70.0150.00916.51
7.4.60.0030.01316.76
7.4.50.0060.00316.67
7.4.40.0150.00322.77
7.4.30.0120.00916.68
7.4.00.0030.00915.14
7.3.330.0000.00613.31
7.3.320.0020.00213.02
7.3.310.0030.00316.45
7.3.300.0070.00016.17
7.3.290.0130.00316.32
7.3.280.0100.01116.30
7.3.270.0040.01617.40
7.3.260.0140.00818.24
7.3.250.0100.00616.63
7.3.240.0070.01016.62
7.3.230.0170.00916.67
7.3.210.0110.00816.63
7.3.200.0110.00919.39
7.3.190.0100.00616.70
7.3.180.0110.00616.43
7.3.170.0080.00816.40
7.3.160.0040.01216.46
7.3.120.0070.01015.30
7.2.330.0070.01016.70
7.2.320.0040.01416.78
7.2.310.0030.01816.77
7.2.300.0080.00816.91
7.2.290.0100.00716.54
7.2.60.0030.00716.97
7.2.50.0060.00617.21
7.2.00.0070.00319.47
7.1.200.0150.00015.98
7.1.100.0060.00618.35
7.1.70.0000.00817.38
7.1.60.0130.01019.17
7.1.50.0070.01017.14
7.1.00.0030.03322.36
7.0.200.0020.00516.90
7.0.140.0030.07322.12
7.0.80.0670.08019.98
7.0.70.0670.07319.90
7.0.60.0600.08319.97
7.0.50.0700.06020.30
7.0.40.0070.04020.13
7.0.30.0030.04320.15
7.0.20.0070.05720.01
7.0.10.0000.04019.95
7.0.00.0100.03320.10
5.6.280.0100.06721.07
5.6.230.0170.07720.68
5.6.220.0070.07720.72
5.6.210.0130.04720.61
5.6.200.0070.04721.10
5.6.190.0070.05021.11
5.6.180.0070.04021.02
5.6.170.0030.04721.03
5.6.160.0030.04021.07
5.6.150.0000.04721.10
5.6.140.0170.05721.09
5.6.130.0070.04021.00
5.6.120.0070.07721.10
5.6.110.0000.04721.07
5.6.100.0030.06320.92
5.6.90.0030.06021.09
5.6.80.0100.03320.32
5.6.70.0100.03320.49
5.6.60.0070.03320.30
5.6.50.0070.03720.33
5.6.40.0030.04020.31
5.6.30.0030.04020.38
5.6.20.0000.04020.39
5.6.10.0070.04720.36
5.6.00.0030.04020.39
5.5.370.0170.07720.56
5.5.360.0130.08320.37
5.5.350.0230.06020.37
5.5.340.0030.05020.87
5.5.330.0170.03020.64
5.5.320.0070.03720.87
5.5.310.0000.04720.92
5.5.300.0100.04320.77
5.5.290.0070.05020.75
5.5.280.0070.03320.73
5.5.270.0030.07320.75
5.5.260.0000.05320.63
5.5.250.0100.08020.69
5.5.240.0170.02320.09
5.5.230.0030.06720.26
5.5.220.0070.03320.01
5.5.210.0070.04720.13
5.5.200.0070.03320.18
5.5.190.0000.04320.14
5.5.180.0030.04019.99
5.5.160.0100.03320.25
5.5.150.0100.06320.25
5.5.140.0100.03320.27
5.5.130.0070.06720.27
5.5.120.0030.04020.09
5.5.110.0070.03720.26
5.5.100.0100.05320.05
5.5.90.0100.05319.92
5.5.80.0070.08720.01
5.5.70.0070.05320.03
5.5.60.0200.05020.14
5.5.50.0070.04020.08
5.5.40.0100.06720.07
5.5.30.0130.07019.98
5.5.20.0030.08720.09
5.5.10.0030.04720.01
5.5.00.0070.04319.95
5.4.450.0030.08719.47
5.4.440.0070.06719.39
5.4.430.0070.06719.26
5.4.420.0100.04319.42
5.4.410.0030.03719.22
5.4.400.0100.03018.95
5.4.390.0030.03718.90
5.4.380.0070.04318.89
5.4.370.0000.04019.14
5.4.360.0000.04019.07
5.4.350.0070.03718.90
5.4.340.0030.03718.95
5.4.320.0030.03319.05
5.4.310.0100.03019.12
5.4.300.0000.04018.78
5.4.290.0000.04018.81
5.4.280.0030.03318.95
5.4.270.0000.04019.04
5.4.260.0070.05318.81
5.4.250.0100.06719.09
5.4.240.0030.05318.99
5.4.230.0030.08319.02
5.4.220.0030.08019.09
5.4.210.0100.04318.97
5.4.200.0030.08019.06
5.4.190.0100.07318.80
5.4.180.0070.08318.89
5.4.170.0070.04018.96
5.4.160.0070.07719.07
5.4.150.0100.07319.20
5.4.140.0070.07716.41
5.4.130.0100.06016.32
5.4.120.0070.06016.11
5.4.110.0030.06016.26
5.4.100.0030.06316.40
5.4.90.0100.07316.27
5.4.80.0030.03716.45
5.4.70.0030.07016.40
5.4.60.0030.06716.41
5.4.50.0130.03316.38
5.4.40.0100.05716.29
5.4.30.0170.06016.23
5.4.20.0000.04716.29
5.4.10.0130.06016.28
5.4.00.0070.05015.71
5.3.290.0030.04014.48
5.3.280.0070.07314.57
5.3.270.0070.08014.55
5.3.260.0030.04714.46
5.3.250.0100.07714.59
5.3.240.0100.07714.59
5.3.230.0170.06314.57
5.3.220.0030.04314.47
5.3.210.0030.08014.42
5.3.200.0030.08314.47
5.3.190.0000.06714.55
5.3.180.0030.04714.58
5.3.170.0100.07314.54
5.3.160.0130.05714.50
5.3.150.0100.06714.39
5.3.140.0030.04314.46
5.3.130.0030.04314.50
5.3.120.0070.07314.49
5.3.110.0070.07014.53
5.3.100.0100.07314.02
5.3.90.0000.08014.00
5.3.80.0070.07014.03
5.3.70.0030.04313.97
5.3.60.0100.04714.00
5.3.50.0070.07313.95
5.3.40.0100.04713.93
5.3.30.0030.05713.86
5.3.20.0030.05013.55
5.3.10.0070.05013.65
5.3.00.0070.06013.59
5.2.170.0070.06011.10
5.2.160.0100.05711.13
5.2.150.0100.05710.89
5.2.140.0030.06011.13
5.2.130.0070.05310.93
5.2.120.0130.05311.09
5.2.110.0100.05710.91
5.2.100.0070.05710.94
5.2.90.0070.06011.02
5.2.80.0070.06011.08
5.2.70.0230.03311.15
5.2.60.0130.05010.97
5.2.50.0030.06010.94
5.2.40.0030.04710.95
5.2.30.0030.06711.01
5.2.20.0070.06010.84
5.2.10.0070.06310.90
5.2.00.0100.03010.84
5.1.60.0000.0609.98
5.1.50.0000.05710.07
5.1.40.0070.0539.97
5.1.30.0030.04010.39
5.1.20.0000.06010.36
5.1.10.0030.04010.14
5.1.00.0030.05710.05
5.0.50.0030.0438.63
5.0.40.0030.0478.43
5.0.30.0070.0608.06
5.0.20.0100.0178.18
5.0.10.0030.0278.17
5.0.00.0030.0438.22
4.4.90.0000.0377.29
4.4.80.0030.0377.29
4.4.70.0000.0277.29
4.4.60.0070.0337.29
4.4.50.0030.0277.29
4.4.40.0000.0377.29
4.4.30.0000.0337.29
4.4.20.0000.0377.29
4.4.10.0030.0237.29
4.4.00.0000.0477.29
4.3.110.0000.0377.29
4.3.100.0000.0277.29
4.3.90.0070.0277.29
4.3.80.0070.0307.29
4.3.70.0000.0377.29
4.3.60.0000.0377.29
4.3.50.0030.0307.29
4.3.40.0000.0307.29
4.3.30.0030.0337.29
4.3.20.0070.0307.29
4.3.10.0000.0307.29
4.3.00.0030.0337.29

preferences:
38.45 ms | 400 KiB | 5 Q